3654887464 has 24 divisors (see below), whose sum is σ = 6880677390. Its totient is φ = 1820069888.

The previous prime is 3654887447. The next prime is 3654887471. The reversal of 3654887464 is 4647884563.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3242391364 + 412496100 = 56942^2 + 20310^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 524934 + ... + 531850.

Almost surely, 2^3654887464 is an apocalyptic number.

It is an amenable number.

3654887464 is a deficient number, since it is larger than the sum of its proper divisors (3225789926).

3654887464 is an equidigital number, since it uses as much as digits as its factorization.

3654887464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7437 (or 7176 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 55.

The square root of 3654887464 is about 60455.6652762998. The cubic root of 3654887464 is about 1540.3686450913.

The spelling of 3654887464 in words is "three billion, six hundred fifty-four million, eight hundred eighty-seven thousand, four hundred sixty-four".