6447152 has 10 divisors (see below), whose sum is σ = 12491388. Its totient is φ = 3223568.

The previous prime is 6447149. The next prime is 6447167. The reversal of 6447152 is 2517446.

It is a super-2 number, since 2×6447152² = 83131537822208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201458 + ... + 201489.

Almost surely, 2^6447152 is an apocalyptic number.

It is an amenable number.

6447152 is a deficient number, since it is larger than the sum of its proper divisors (6044236).

6447152 is a wasteful number, since it uses less digits than its factorization.

6447152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402955 (or 402949 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 6447152 is about 2539.1242584797. The cubic root of 6447152 is about 186.1183968898.

The spelling of 6447152 in words is "six million, four hundred forty-seven thousand, one hundred fifty-two".