394375044 has 48 divisors (see below), whose sum is σ = 1113533568. Its totient is φ = 106050048.

The previous prime is 394375021. The next prime is 394375049. The reversal of 394375044 is 440573493.

It is a junction number, because it is equal to n+sod(n) for n = 394374993 and 394375011.

It is not an unprimeable number, because it can be changed into a prime (394375049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136659 + ... + 139514.

It is an arithmetic number, because the mean of its divisors is an integer number (23198616).

Almost surely, 2^394375044 is an apocalyptic number.

394375044 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

394375044 is an abundant number, since it is smaller than the sum of its proper divisors (719158524).

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

394375044 is a wasteful number, since it uses less digits than its factorization.

394375044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276204 (or 276202 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 394375044 is about 19858.8782160524. The cubic root of 394375044 is about 733.3362301998.

It can be divided in two parts, 3943 and 75044, that added together give a palindrome (78987).

The spelling of 394375044 in words is "three hundred ninety-four million, three hundred seventy-five thousand, forty-four".