393249996 has 18 divisors (see below), whose sum is σ = 994048692. Its totient is φ = 131083320.

The previous prime is 393249991. The next prime is 393250027. The reversal of 393249996 is 699942393.

393249996 is a `hidden beast` number, since 39 + 32 + 499 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (393249991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5461770 + ... + 5461841.

Almost surely, 2^393249996 is an apocalyptic number.

393249996 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

393249996 is an abundant number, since it is smaller than the sum of its proper divisors (600798696).

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

393249996 is a wasteful number, since it uses less digits than its factorization.

393249996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10923621 (or 10923616 counting only the distinct ones).

The product of its digits is 2834352, while the sum is 54.

The square root of 393249996 is about 19830.5319141974. The cubic root of 393249996 is about 732.6382277471.

The spelling of 393249996 in words is "three hundred ninety-three million, two hundred forty-nine thousand, nine hundred ninety-six".