408912 has 40 divisors (see below), whose sum is σ = 1208256. Its totient is φ = 116736.

The previous prime is 408911. The next prime is 408913. The reversal of 408912 is 219804.

It is an interprime number because it is at equal distance from previous prime (408911) and next prime (408913).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 7.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 408912.

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 in 7 ways as a sum of consecutive naturals, for example, 273 + ... + 944.

2⁴⁰⁸⁹¹² is an apocalyptic number.

408912 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

408912 is an abundant number, since it is smaller than the sum of its proper divisors (799344).

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

408912 is a wasteful number, since it uses less digits than its factorization.

408912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 408912 is about 639.4622741022. The cubic root of 408912 is about 74.2238171351.

The spelling of 408912 in words is "four hundred eight thousand, nine hundred twelve".