399025095 has 32 divisors (see below), whose sum is σ = 741619200. Its totient is φ = 179418240.

The previous prime is 399025093. The next prime is 399025111. The reversal of 399025095 is 590520993.

It is not a de Polignac number, because 399025095 - 2¹ = 399025093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399025093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24745 + ... + 37554.

It is an arithmetic number, because the mean of its divisors is an integer number (23175600).

Almost surely, 2^399025095 is an apocalyptic number.

399025095 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

399025095 is a deficient number, since it is larger than the sum of its proper divisors (342594105).

399025095 is a wasteful number, since it uses less digits than its factorization.

399025095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62375.

The product of its (nonzero) digits is 109350, while the sum is 42.

The square root of 399025095 is about 19975.6125062537. The cubic root of 399025095 is about 736.2072159680.

The spelling of 399025095 in words is "three hundred ninety-nine million, twenty-five thousand, ninety-five".