399462 has 16 divisors (see below), whose sum is σ = 913152. Its totient is φ = 114120.

The previous prime is 399439. The next prime is 399473. The reversal of 399462 is 264993.

399462 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

It is a congruent number.

It is an unprimeable number.

399462 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4714 + ... + 4797.

It is an arithmetic number, because the mean of its divisors is an integer number (57072).

2³⁹⁹⁴⁶² is an apocalyptic number.

399462 is an abundant number, since it is smaller than the sum of its proper divisors (513690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

399462 is a wasteful number, since it uses less digits than its factorization.

399462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9523.

The product of its digits is 11664, while the sum is 33.

The square root of 399462 is about 632.0300625761. The cubic root of 399462 is about 73.6475816693.

It can be divided in two parts, 399 and 462, that added together give a triangular number (861 = T₄₁).

The spelling of 399462 in words is "three hundred ninety-nine thousand, four hundred sixty-two".