3634433898 has 32 divisors (see below), whose sum is σ = 7347350400. Its totient is φ = 1198423296.

The previous prime is 3634433879. The next prime is 3634433909. The reversal of 3634433898 is 8983344363.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3634433898.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695118 + ... + 700326.

It is an arithmetic number, because the mean of its divisors is an integer number (229604700).

Almost surely, 2^3634433898 is an apocalyptic number.

3634433898 is an abundant number, since it is smaller than the sum of its proper divisors (3712916502).

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

3634433898 is a wasteful number, since it uses less digits than its factorization.

3634433898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6446.

The product of its digits is 4478976, while the sum is 51.

The square root of 3634433898 is about 60286.2662469654. The cubic root of 3634433898 is about 1537.4898526926.

The spelling of 3634433898 in words is "three billion, six hundred thirty-four million, four hundred thirty-three thousand, eight hundred ninety-eight".