394970576 has 180 divisors, whose sum is σ = 1055450304. Its totient is φ = 141523200.

The previous prime is 394970573. The next prime is 394970599. The reversal of 394970576 is 675079493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394970573) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1457321 + ... + 1457591.

Almost surely, 2^394970576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394970576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527725152).

394970576 is an abundant number, since it is smaller than the sum of its proper divisors (660479728).

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

394970576 is a wasteful number, since it uses less digits than its factorization.

394970576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 50.

The square root of 394970576 is about 19873.8666595104. The cubic root of 394970576 is about 733.7051730414.

The spelling of 394970576 in words is "three hundred ninety-four million, nine hundred seventy thousand, five hundred seventy-six".