635849982 has 12 divisors (see below), whose sum is σ = 1377675000. Its totient is φ = 211949988.

The previous prime is 635849971. The next prime is 635849993. The reversal of 635849982 is 289948536.

It is an interprime number because it is at equal distance from previous prime (635849971) and next prime (635849993).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17662482 + ... + 17662517.

It is an arithmetic number, because the mean of its divisors is an integer number (114806250).

Almost surely, 2^635849982 is an apocalyptic number.

635849982 is an abundant number, since it is smaller than the sum of its proper divisors (741825018).

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

635849982 is a wasteful number, since it uses less digits than its factorization.

635849982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35325007 (or 35325004 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 635849982 is about 25216.0659501041. The cubic root of 635849982 is about 859.9071388827.

The spelling of 635849982 in words is "six hundred thirty-five million, eight hundred forty-nine thousand, nine hundred eighty-two".