393009120 has 288 divisors, whose sum is σ = 1549836288. Its totient is φ = 88833024.

The previous prime is 393009109. The next prime is 393009139. The reversal of 393009120 is 21900393.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1280007 + ... + 1280313.

It is an arithmetic number, because the mean of its divisors is an integer number (5381376).

Almost surely, 2^393009120 is an apocalyptic number.

393009120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 393009120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (774918144).

393009120 is an abundant number, since it is smaller than the sum of its proper divisors (1156827168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

393009120 is a wasteful number, since it uses less digits than its factorization.

393009120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 393009120 is about 19824.4576218367. The cubic root of 393009120 is about 732.4886104454.

It can be divided in two parts, 393009 and 120, that added together give a square (393129 = 627²).

The spelling of 393009120 in words is "three hundred ninety-three million, nine thousand, one hundred twenty".