395687090 has 16 divisors (see below), whose sum is σ = 712490688. Its totient is φ = 158218416.

The previous prime is 395687077. The next prime is 395687111. The reversal of 395687090 is 90786593.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33509 + ... + 43751.

It is an arithmetic number, because the mean of its divisors is an integer number (44530668).

Almost surely, 2^395687090 is an apocalyptic number.

395687090 is a deficient number, since it is larger than the sum of its proper divisors (316803598).

395687090 is a wasteful number, since it uses less digits than its factorization.

395687090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14113.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 395687090 is about 19891.8850288252. The cubic root of 395687090 is about 734.1485752291.

The spelling of 395687090 in words is "three hundred ninety-five million, six hundred eighty-seven thousand, ninety".