402867108 has 120 divisors (see below), whose sum is σ = 1267112000. Its totient is φ = 109035072.

The previous prime is 402867079. The next prime is 402867131. The reversal of 402867108 is 801768204.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38418 + ... + 47766.

Almost surely, 2^402867108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402867108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633556000).

402867108 is an abundant number, since it is smaller than the sum of its proper divisors (864244892).

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

402867108 is a wasteful number, since it uses less digits than its factorization.

402867108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9391 (or 9380 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 402867108 is about 20071.5497159537. The cubic root of 402867108 is about 738.5625296675.

The spelling of 402867108 in words is "four hundred two million, eight hundred sixty-seven thousand, one hundred eight".