3698308644 has 48 divisors (see below), whose sum is σ = 9015874560. Its totient is φ = 1177691680.

The previous prime is 3698308613. The next prime is 3698308651. The reversal of 3698308644 is 4468038963.

It is a happy number.

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, 223579 + ... + 239549.

It is an arithmetic number, because the mean of its divisors is an integer number (187830720).

Almost surely, 2^3698308644 is an apocalyptic number.

It is an amenable number.

3698308644 is an abundant number, since it is smaller than the sum of its proper divisors (5317565916).

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

3698308644 is a wasteful number, since it uses less digits than its factorization.

3698308644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16840 (or 16838 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The square root of 3698308644 is about 60813.7208531101. The cubic root of 3698308644 is about 1546.4446633359. Note that the first 3 decimals are identical.

The spelling of 3698308644 in words is "three billion, six hundred ninety-eight million, three hundred eight thousand, six hundred forty-four".