399862227 has 16 divisors (see below), whose sum is σ = 539586432. Its totient is φ = 263366400.

The previous prime is 399862207. The next prime is 399862241. The reversal of 399862227 is 722268993.

It is not a de Polignac number, because 399862227 - 2¹² = 399858131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (399862207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274852 + ... + 276302.

It is an arithmetic number, because the mean of its divisors is an integer number (33724152).

Almost surely, 2^399862227 is an apocalyptic number.

399862227 is a deficient number, since it is larger than the sum of its proper divisors (139724205).

399862227 is a wasteful number, since it uses less digits than its factorization.

399862227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498.

The product of its digits is 653184, while the sum is 48.

The square root of 399862227 is about 19996.5553783645. Note that the first 3 decimals coincide. The cubic root of 399862227 is about 736.7216966687.

The spelling of 399862227 in words is "three hundred ninety-nine million, eight hundred sixty-two thousand, two hundred twenty-seven".