2951664 has 20 divisors (see below), whose sum is σ = 7625256. Its totient is φ = 983872.

The previous prime is 2951657. The next prime is 2951687. The reversal of 2951664 is 4661592.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30699 + ... + 30794.

2^2951664 is an apocalyptic number.

2951664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2951664 is an abundant number, since it is smaller than the sum of its proper divisors (4673592).

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

2951664 is a wasteful number, since it uses less digits than its factorization.

2951664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61504 (or 61498 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 2951664 is about 1718.0407445692. The cubic root of 2951664 is about 143.4461751865.

The spelling of 2951664 in words is "two million, nine hundred fifty-one thousand, six hundred sixty-four".