393354039 has 8 divisors (see below), whose sum is σ = 564816112. Its totient is φ = 242064000.

The previous prime is 393354023. The next prime is 393354103. The reversal of 393354039 is 930453393.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 393354039 - 2⁴ = 393354023 is a prime.

It is a super-2 number, since 2×393354039² = 309454799995227042, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 10086001 = 393354039 / (3 + 9 + 3 + 3 + 5 + 4 + 0 + 3 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 393353988 and 393354006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393354019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5042962 + ... + 5043039.

It is an arithmetic number, because the mean of its divisors is an integer number (70602014).

Almost surely, 2^393354039 is an apocalyptic number.

393354039 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

393354039 is a deficient number, since it is larger than the sum of its proper divisors (171462073).

393354039 is a wasteful number, since it uses less digits than its factorization.

393354039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10086017.

The product of its (nonzero) digits is 131220, while the sum is 39.

The square root of 393354039 is about 19833.1550440166. The cubic root of 393354039 is about 732.7028339421.

The spelling of 393354039 in words is "three hundred ninety-three million, three hundred fifty-four thousand, thirty-nine".