395399137 has 8 divisors (see below), whose sum is σ = 467467200. Its totient is φ = 327226704.

The previous prime is 395399119. The next prime is 395399149. The reversal of 395399137 is 731993593.

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

It is not a de Polignac number, because 395399137 - 2⁷ = 395399009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395399167) 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, 973687 + ... + 974092.

It is an arithmetic number, because the mean of its divisors is an integer number (58433400).

Almost surely, 2^395399137 is an apocalyptic number.

It is an amenable number.

395399137 is a deficient number, since it is larger than the sum of its proper divisors (72068063).

395399137 is a wasteful number, since it uses less digits than its factorization.

395399137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947815.

The product of its digits is 688905, while the sum is 49.

The square root of 395399137 is about 19884.6457599828. The cubic root of 395399137 is about 733.9704449241.

The spelling of 395399137 in words is "three hundred ninety-five million, three hundred ninety-nine thousand, one hundred thirty-seven".