408004371 has 10 divisors (see below), whose sum is σ = 609488132. Its totient is φ = 272002860.

The previous prime is 408004351. The next prime is 408004379. The reversal of 408004371 is 173400804.

It is not a de Polignac number, because 408004371 - 2⁶ = 408004307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (408004379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2518465 + ... + 2518626.

Almost surely, 2^408004371 is an apocalyptic number.

408004371 is a deficient number, since it is larger than the sum of its proper divisors (201483761).

408004371 is an equidigital number, since it uses as much as digits as its factorization.

408004371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037103 (or 5037094 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 408004371 is about 20199.1180748071. The cubic root of 408004371 is about 741.6886024625.

The spelling of 408004371 in words is "four hundred eight million, four thousand, three hundred seventy-one".