395579240 has 64 divisors (see below), whose sum is σ = 1070755200. Its totient is φ = 128487168.

The previous prime is 395579237. The next prime is 395579267. The reversal of 395579240 is 42975593.

It is a junction number, because it is equal to n+sod(n) for n = 395579191 and 395579200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31859 + ... + 42498.

It is an arithmetic number, because the mean of its divisors is an integer number (16730550).

Almost surely, 2^395579240 is an apocalyptic number.

It is an amenable number.

395579240 is an abundant number, since it is smaller than the sum of its proper divisors (675175960).

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

395579240 is a wasteful number, since it uses less digits than its factorization.

395579240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74394 (or 74390 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 395579240 is about 19889.1739396085. The cubic root of 395579240 is about 734.0818683787.

The spelling of 395579240 in words is "three hundred ninety-five million, five hundred seventy-nine thousand, two hundred forty".