395657477 has 8 divisors (see below), whose sum is σ = 413899200. Its totient is φ = 377502400.

The previous prime is 395657443. The next prime is 395657513. The reversal of 395657477 is 774756593.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 395657477 - 2⁶ = 395657413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395657417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12227 + ... + 30672.

It is an arithmetic number, because the mean of its divisors is an integer number (51737400).

Almost surely, 2^395657477 is an apocalyptic number.

It is an amenable number.

395657477 is a deficient number, since it is larger than the sum of its proper divisors (18241723).

395657477 is a wasteful number, since it uses less digits than its factorization.

395657477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43323.

The product of its digits is 5556600, while the sum is 53.

The square root of 395657477 is about 19891.1406661358. The cubic root of 395657477 is about 734.1302603496.

The spelling of 395657477 in words is "three hundred ninety-five million, six hundred fifty-seven thousand, four hundred seventy-seven".