2721364 has 6 divisors (see below), whose sum is σ = 4762394. Its totient is φ = 1360680.

The previous prime is 2721319. The next prime is 2721371. The reversal of 2721364 is 4631272.

It can be written as a sum of positive squares in only one way, i.e., 2220100 + 501264 = 1490^2 + 708^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340167 + ... + 340174.

2^2721364 is an apocalyptic number.

It is an amenable number.

2721364 is a deficient number, since it is larger than the sum of its proper divisors (2041030).

2721364 is a wasteful number, since it uses less digits than its factorization.

2721364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680345 (or 680343 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 2721364 is about 1649.6557216583. The cubic root of 2721364 is about 139.6139705725.

The spelling of 2721364 in words is "two million, seven hundred twenty-one thousand, three hundred sixty-four".