402828630 has 32 divisors (see below), whose sum is σ = 967625568. Its totient is φ = 107328000.

The previous prime is 402828623. The next prime is 402828637. The reversal of 402828630 is 36828204.

It is an interprime number because it is at equal distance from previous prime (402828623) and next prime (402828637).

It is a junction number, because it is equal to n+sod(n) for n = 402828591 and 402828600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402828637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33870 + ... + 44190.

It is an arithmetic number, because the mean of its divisors is an integer number (30238299).

Almost surely, 2^402828630 is an apocalyptic number.

402828630 is an abundant number, since it is smaller than the sum of its proper divisors (564796938).

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

402828630 is a wasteful number, since it uses less digits than its factorization.

402828630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11632.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 402828630 is about 20070.5911721603. The cubic root of 402828630 is about 738.5390154505.

The spelling of 402828630 in words is "four hundred two million, eight hundred twenty-eight thousand, six hundred thirty".