408930 has 32 divisors (see below), whose sum is σ = 1007424. Its totient is φ = 106176.

The previous prime is 408923. The next prime is 408943. The reversal of 408930 is 39804.

It is a self number, because there is not a number n which added to its sum of digits gives 408930.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 408930.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1132 + ... + 1448.

It is an arithmetic number, because the mean of its divisors is an integer number (31482).

2⁴⁰⁸⁹³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 408930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503712).

408930 is an abundant number, since it is smaller than the sum of its proper divisors (598494).

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

408930 is a wasteful number, since it uses less digits than its factorization.

408930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 408930 is about 639.4763482726. The cubic root of 408930 is about 74.2249062114.

The spelling of 408930 in words is "four hundred eight thousand, nine hundred thirty".