404652 has 12 divisors (see below), whose sum is σ = 944216. Its totient is φ = 134880.

The previous prime is 404597. The next prime is 404671. The reversal of 404652 is 256404.

It is a happy number.

404652 is nontrivially palindromic in base 14.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×404652² = 327486482208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16849 + ... + 16872.

2⁴⁰⁴⁶⁵² is an apocalyptic number.

It is an amenable number.

404652 is an abundant number, since it is smaller than the sum of its proper divisors (539564).

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

404652 is a wasteful number, since it uses less digits than its factorization.

404652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33728 (or 33726 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 404652 is about 636.1226296871. The cubic root of 404652 is about 73.9651650018.

The spelling of 404652 in words is "four hundred four thousand, six hundred fifty-two".