394053679 has 8 divisors (see below), whose sum is σ = 407047680. Its totient is φ = 381077400.

The previous prime is 394053637. The next prime is 394053739. The reversal of 394053679 is 976350493.

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

It is a cyclic number.

It is not a de Polignac number, because 394053679 - 2⁷ = 394053551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394053379) 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, 52632 + ... + 59650.

It is an arithmetic number, because the mean of its divisors is an integer number (50880960).

Almost surely, 2^394053679 is an apocalyptic number.

394053679 is a deficient number, since it is larger than the sum of its proper divisors (12994001).

394053679 is a wasteful number, since it uses less digits than its factorization.

394053679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8861.

The product of its (nonzero) digits is 612360, while the sum is 46.

The square root of 394053679 is about 19850.7853497034. The cubic root of 394053679 is about 733.1369844620.

The spelling of 394053679 in words is "three hundred ninety-four million, fifty-three thousand, six hundred seventy-nine".