408677368 has 16 divisors (see below), whose sum is σ = 835931160. Its totient is φ = 185762400.

The previous prime is 408677359. The next prime is 408677377. The reversal of 408677368 is 863776804.

It is an interprime number because it is at equal distance from previous prime (408677359) and next prime (408677377).

It is a super-2 number, since 2×408677368² = 334034382230814848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2321943 + ... + 2322118.

Almost surely, 2^408677368 is an apocalyptic number.

It is an amenable number.

408677368 is an abundant number, since it is smaller than the sum of its proper divisors (427253792).

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

408677368 is a wasteful number, since it uses less digits than its factorization.

408677368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644078 (or 4644074 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 49.

The square root of 408677368 is about 20215.7702796604. The cubic root of 408677368 is about 742.0961798007.

It can be divided in two parts, 408 and 677368, that added together give a palindrome (677776).

The spelling of 408677368 in words is "four hundred eight million, six hundred seventy-seven thousand, three hundred sixty-eight".