3240947464 has 8 divisors (see below), whose sum is σ = 6076776510. Its totient is φ = 1620473728.

The previous prime is 3240947449. The next prime is 3240947471. The reversal of 3240947464 is 4647490423.

It can be written as a sum of positive squares in only one way, i.e., 1763160100 + 1477787364 = 41990^2 + 38442^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 3240947464.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202559209 + ... + 202559224.

Almost surely, 2^3240947464 is an apocalyptic number.

It is an amenable number.

3240947464 is a deficient number, since it is larger than the sum of its proper divisors (2835829046).

3240947464 is a wasteful number, since it uses less digits than its factorization.

3240947464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405118439 (or 405118435 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 43.

The square root of 3240947464 is about 56929.3198975712. The cubic root of 3240947464 is about 1479.8714680197.

The spelling of 3240947464 in words is "three billion, two hundred forty million, nine hundred forty-seven thousand, four hundred sixty-four".