402946488 has 96 divisors (see below), whose sum is σ = 1293452160. Its totient is φ = 115123680.

The previous prime is 402946477. The next prime is 402946501. The reversal of 402946488 is 884649204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1198 + ... + 28413.

It is an arithmetic number, because the mean of its divisors is an integer number (13473460).

Almost surely, 2^402946488 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 402946488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646726080).

402946488 is an abundant number, since it is smaller than the sum of its proper divisors (890505672).

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

402946488 is a wasteful number, since it uses less digits than its factorization.

402946488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29639 (or 29623 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 402946488 is about 20073.5270443438. The cubic root of 402946488 is about 738.6110346975.

The spelling of 402946488 in words is "four hundred two million, nine hundred forty-six thousand, four hundred eighty-eight".