2721902 has 16 divisors (see below), whose sum is σ = 4354560. Its totient is φ = 1272312.

The previous prime is 2721899. The next prime is 2721913. The reversal of 2721902 is 2091272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2723 + ... + 3585.

It is an arithmetic number, because the mean of its divisors is an integer number (272160).

2^2721902 is an apocalyptic number.

2721902 is a deficient number, since it is larger than the sum of its proper divisors (1632658).

2721902 is a wasteful number, since it uses less digits than its factorization.

2721902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2721902 is about 1649.8187779268. The cubic root of 2721902 is about 139.6231702933.

The spelling of 2721902 in words is "two million, seven hundred twenty-one thousand, nine hundred two".