399285027 has 12 divisors (see below), whose sum is σ = 579046104. Its totient is φ = 265128000.

The previous prime is 399284999. The next prime is 399285049. The reversal of 399285027 is 720582993.

It is not a de Polignac number, because 399285027 - 2²⁰ = 398236451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (399285067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86118 + ... + 90635.

It is an arithmetic number, because the mean of its divisors is an integer number (48253842).

Almost surely, 2^399285027 is an apocalyptic number.

399285027 is a deficient number, since it is larger than the sum of its proper divisors (179761077).

399285027 is a wasteful number, since it uses less digits than its factorization.

399285027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177010 (or 177007 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 399285027 is about 19982.1176805663. The cubic root of 399285027 is about 736.3670407333.

The spelling of 399285027 in words is "three hundred ninety-nine million, two hundred eighty-five thousand, twenty-seven".