395215672 has 32 divisors (see below), whose sum is σ = 749548800. Its totient is φ = 195350400.

The previous prime is 395215669. The next prime is 395215673. The reversal of 395215672 is 276512593.

It is a super-3 number, since 3×395215672³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395215673) 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, 275854 + ... + 277282.

It is an arithmetic number, because the mean of its divisors is an integer number (23423400).

Almost surely, 2^395215672 is an apocalyptic number.

It is an amenable number.

395215672 is a deficient number, since it is larger than the sum of its proper divisors (354333128).

395215672 is a wasteful number, since it uses less digits than its factorization.

395215672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807 (or 1803 counting only the distinct ones).

The product of its digits is 113400, while the sum is 40.

The square root of 395215672 is about 19880.0319919260. The cubic root of 395215672 is about 733.8569067231.

The spelling of 395215672 in words is "three hundred ninety-five million, two hundred fifteen thousand, six hundred seventy-two".