394574058 has 64 divisors (see below), whose sum is σ = 912384000. Its totient is φ = 126245952.

The previous prime is 394574057. The next prime is 394574077. The reversal of 394574058 is 850475493.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (394574053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307863 + ... + 309141.

It is an arithmetic number, because the mean of its divisors is an integer number (14256000).

Almost surely, 2^394574058 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394574058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456192000).

394574058 is an abundant number, since it is smaller than the sum of its proper divisors (517809942).

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

394574058 is a wasteful number, since it uses less digits than its factorization.

394574058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516 (or 1510 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 394574058 is about 19863.8882900604. Note that the first 3 decimals coincide. The cubic root of 394574058 is about 733.4595642666.

The spelling of 394574058 in words is "three hundred ninety-four million, five hundred seventy-four thousand, fifty-eight".