399285458 has 16 divisors (see below), whose sum is σ = 703636416. Its totient is φ = 167532240.

The previous prime is 399285431. The next prime is 399285461. The reversal of 399285458 is 854582993.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697766 + ... + 698337.

It is an arithmetic number, because the mean of its divisors is an integer number (43977276).

Almost surely, 2^399285458 is an apocalyptic number.

399285458 is a deficient number, since it is larger than the sum of its proper divisors (304350958).

399285458 is a wasteful number, since it uses less digits than its factorization.

399285458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396129.

The product of its digits is 3110400, while the sum is 53.

The square root of 399285458 is about 19982.1284652061. The cubic root of 399285458 is about 736.3673056853.

The spelling of 399285458 in words is "three hundred ninety-nine million, two hundred eighty-five thousand, four hundred fifty-eight".