3949464320 has 72 divisors (see below), whose sum is σ = 9871587936. Its totient is φ = 1511088128.

The previous prime is 3949464313. The next prime is 3949464347. The reversal of 3949464320 is 234649493.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37637 + ... + 96516.

It is an arithmetic number, because the mean of its divisors is an integer number (137105388).

Almost surely, 2^3949464320 is an apocalyptic number.

It is an amenable number.

3949464320 is an abundant number, since it is smaller than the sum of its proper divisors (5922123616).

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

3949464320 is a wasteful number, since it uses less digits than its factorization.

3949464320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134197 (or 134183 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 44.

The square root of 3949464320 is about 62844.7636641272. The cubic root of 3949464320 is about 1580.6876673334.

The spelling of 3949464320 in words is "three billion, nine hundred forty-nine million, four hundred sixty-four thousand, three hundred twenty".