402098624 has 56 divisors (see below), whose sum is σ = 820765440. Its totient is φ = 195376896.

The previous prime is 402098621. The next prime is 402098639. The reversal of 402098624 is 426890204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402098621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338159 + ... + 339345.

Almost surely, 2^402098624 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 402098624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410382720).

402098624 is an abundant number, since it is smaller than the sum of its proper divisors (418666816).

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

402098624 is a wasteful number, since it uses less digits than its factorization.

402098624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 402098624 is about 20052.3969639542. The cubic root of 402098624 is about 738.0926189137.

The spelling of 402098624 in words is "four hundred two million, ninety-eight thousand, six hundred twenty-four".