408916 has 6 divisors (see below), whose sum is σ = 715610. Its totient is φ = 204456.

The previous prime is 408913. The next prime is 408923. The reversal of 408916 is 619804.

It can be written as a sum of positive squares in only one way, i.e., 364816 + 44100 = 604^2 + 210^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51111 + ... + 51118.

2⁴⁰⁸⁹¹⁶ is an apocalyptic number.

It is an amenable number.

408916 is a deficient number, since it is larger than the sum of its proper divisors (306694).

408916 is a wasteful number, since it uses less digits than its factorization.

408916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102233 (or 102231 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 408916 is about 639.4654017224. The cubic root of 408916 is about 74.2240591548.

The spelling of 408916 in words is "four hundred eight thousand, nine hundred sixteen".