408949320 has 64 divisors (see below), whose sum is σ = 1321225920. Its totient is φ = 100664064.

The previous prime is 408949319. The next prime is 408949339. The reversal of 408949320 is 23949804.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 129514 + ... + 132633.

It is an arithmetic number, because the mean of its divisors is an integer number (20644155).

Almost surely, 2^408949320 is an apocalyptic number.

408949320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

408949320 is an abundant number, since it is smaller than the sum of its proper divisors (912276600).

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

408949320 is a wasteful number, since it uses less digits than its factorization.

408949320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262174 (or 262170 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 408949320 is about 20222.4953949803. The cubic root of 408949320 is about 742.2607511775.

The spelling of 408949320 in words is "four hundred eight million, nine hundred forty-nine thousand, three hundred twenty".