408472662 has 48 divisors (see below), whose sum is σ = 893438208. Its totient is φ = 124431840.

The previous prime is 408472661. The next prime is 408472679. The reversal of 408472662 is 266274804.

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

It is a self number, because there is not a number n which added to its sum of digits gives 408472662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408472661) 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 23 ways as a sum of consecutive naturals, for example, 102487 + ... + 106397.

It is an arithmetic number, because the mean of its divisors is an integer number (18613296).

Almost surely, 2^408472662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 408472662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446719104).

408472662 is an abundant number, since it is smaller than the sum of its proper divisors (484965546).

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

408472662 is a wasteful number, since it uses less digits than its factorization.

408472662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045 (or 4032 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 408472662 is about 20210.7066180280. The cubic root of 408472662 is about 741.9722540803.

The spelling of 408472662 in words is "four hundred eight million, four hundred seventy-two thousand, six hundred sixty-two".