6249664 has 14 divisors (see below), whose sum is σ = 12401804. Its totient is φ = 3124800.

The previous prime is 6249653. The next prime is 6249667. The reversal of 6249664 is 4669426.

It is a super-2 number, since 2×6249664² = 78116600225792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6249667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48762 + ... + 48889.

Almost surely, 2^6249664 is an apocalyptic number.

6249664 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6249664 is a deficient number, since it is larger than the sum of its proper divisors (6152140).

6249664 is an equidigital number, since it uses as much as digits as its factorization.

6249664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97663 (or 97653 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 6249664 is about 2499.9327990968. The cubic root of 6249664 is about 184.1982739806.

The spelling of 6249664 in words is "six million, two hundred forty-nine thousand, six hundred sixty-four".