2621896 has 8 divisors (see below), whose sum is σ = 4916070. Its totient is φ = 1310944.

The previous prime is 2621881. The next prime is 2621897. The reversal of 2621896 is 6981262.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2604996 + 16900 = 1614^2 + 130^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2621897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163861 + ... + 163876.

2^2621896 is an apocalyptic number.

It is an amenable number.

2621896 is a deficient number, since it is larger than the sum of its proper divisors (2294174).

2621896 is a wasteful number, since it uses less digits than its factorization.

2621896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327743 (or 327739 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 2621896 is about 1619.2269760599. The cubic root of 2621896 is about 137.8918146710.

The spelling of 2621896 in words is "two million, six hundred twenty-one thousand, eight hundred ninety-six".