394880958 has 24 divisors (see below), whose sum is σ = 855940800. Its totient is φ = 131570784.

The previous prime is 394880957. The next prime is 394880987. The reversal of 394880958 is 859088493.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394880957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81138 + ... + 85866.

It is an arithmetic number, because the mean of its divisors is an integer number (35664200).

Almost surely, 2^394880958 is an apocalyptic number.

394880958 is an abundant number, since it is smaller than the sum of its proper divisors (461059842).

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

394880958 is a wasteful number, since it uses less digits than its factorization.

394880958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9376 (or 9373 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The square root of 394880958 is about 19871.6118621515. The cubic root of 394880958 is about 733.6496767860.

It can be divided in two parts, 3948809 and 58, that multiplied together give a palindrome (229030922).

The spelling of 394880958 in words is "three hundred ninety-four million, eight hundred eighty thousand, nine hundred fifty-eight".