3640393498 has 16 divisors (see below), whose sum is σ = 6607773504. Its totient is φ = 1468393920.

The previous prime is 3640393487. The next prime is 3640393499. The reversal of 3640393498 is 8943930463.

It is not an unprimeable number, because it can be changed into a prime (3640393499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7647648 + ... + 7648123.

It is an arithmetic number, because the mean of its divisors is an integer number (412985844).

Almost surely, 2^3640393498 is an apocalyptic number.

3640393498 is a deficient number, since it is larger than the sum of its proper divisors (2967380006).

3640393498 is a wasteful number, since it uses less digits than its factorization.

3640393498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15295797.

The product of its (nonzero) digits is 1679616, while the sum is 49.

The square root of 3640393498 is about 60335.6735107846. The cubic root of 3640393498 is about 1538.3297653230.

The spelling of 3640393498 in words is "three billion, six hundred forty million, three hundred ninety-three thousand, four hundred ninety-eight".