395013720 has 32 divisors (see below), whose sum is σ = 1185041520. Its totient is φ = 105336960.

The previous prime is 395013659. The next prime is 395013737. The reversal of 395013720 is 27310593.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 1645771 + ... + 1646010.

Almost surely, 2^395013720 is an apocalyptic number.

395013720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

395013720 is an abundant number, since it is smaller than the sum of its proper divisors (790027800).

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

395013720 is a wasteful number, since it uses less digits than its factorization.

395013720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291795 (or 3291791 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 395013720 is about 19874.9520754139. The cubic root of 395013720 is about 733.7318871187.

The spelling of 395013720 in words is "three hundred ninety-five million, thirteen thousand, seven hundred twenty".