2649992 has 8 divisors (see below), whose sum is σ = 4968750. Its totient is φ = 1324992.

The previous prime is 2649989. The next prime is 2650007. The reversal of 2649992 is 2999462.

It can be written as a sum of positive squares in only one way, i.e., 2579236 + 70756 = 1606^2 + 266^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165617 + ... + 165632.

2^2649992 is an apocalyptic number.

It is an amenable number.

2649992 is a deficient number, since it is larger than the sum of its proper divisors (2318758).

2649992 is a wasteful number, since it uses less digits than its factorization.

2649992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331255 (or 331251 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 2649992 is about 1627.8796024276. The cubic root of 2649992 is about 138.3826111112.

The spelling of 2649992 in words is "two million, six hundred forty-nine thousand, nine hundred ninety-two".