3698029680 has 80 divisors (see below), whose sum is σ = 11833718784. Its totient is φ = 954328320.

The previous prime is 3698029663. The next prime is 3698029733. The reversal of 3698029680 is 869208963.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 241084 + ... + 255963.

Almost surely, 2^3698029680 is an apocalyptic number.

3698029680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3698029680 is an abundant number, since it is smaller than the sum of its proper divisors (8135689104).

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

3698029680 is a wasteful number, since it uses less digits than its factorization.

3698029680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497094 (or 497088 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 3698029680 is about 60811.4272156147. The cubic root of 3698029680 is about 1546.4057795039.

The spelling of 3698029680 in words is "three billion, six hundred ninety-eight million, twenty-nine thousand, six hundred eighty".