393700044 has 24 divisors (see below), whose sum is σ = 928957680. Its totient is φ = 129758464.

The previous prime is 393700009. The next prime is 393700049. The reversal of 393700044 is 440007393.

It is a junction number, because it is equal to n+sod(n) for n = 393699984 and 393700020.

It is not an unprimeable number, because it can be changed into a prime (393700049) 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, 183249 + ... + 185384.

It is an arithmetic number, because the mean of its divisors is an integer number (38706570).

Almost surely, 2^393700044 is an apocalyptic number.

It is an amenable number.

393700044 is an abundant number, since it is smaller than the sum of its proper divisors (535257636).

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

393700044 is a wasteful number, since it uses less digits than its factorization.

393700044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368729 (or 368727 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 393700044 is about 19841.8760201751. The cubic root of 393700044 is about 732.9176061500.

The spelling of 393700044 in words is "three hundred ninety-three million, seven hundred thousand, forty-four".