3638403498 has 16 divisors (see below), whose sum is σ = 7277456160. Its totient is φ = 1212692976.

The previous prime is 3638403487. The next prime is 3638403523. The reversal of 3638403498 is 8943048363.

It is a super-3 number, since 3×3638403498³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76036 + ... + 114272.

It is an arithmetic number, because the mean of its divisors is an integer number (454841010).

Almost surely, 2^3638403498 is an apocalyptic number.

3638403498 is an abundant number, since it is smaller than the sum of its proper divisors (3639052662).

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

3638403498 is a wasteful number, since it uses less digits than its factorization.

3638403498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54101.

The product of its (nonzero) digits is 1492992, while the sum is 48.

The square root of 3638403498 is about 60319.1801834209. The cubic root of 3638403498 is about 1538.0494078823.

The spelling of 3638403498 in words is "three billion, six hundred thirty-eight million, four hundred three thousand, four hundred ninety-eight".