2921372 has 12 divisors (see below), whose sum is σ = 5250840. Its totient is φ = 1421136.

The previous prime is 2921371. The next prime is 2921417. The reversal of 2921372 is 2731292.

2921372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2⁷ + 9 + 2⁹ + 1 + 3³ + 7⁷ + 2²¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2921371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9722 + ... + 10017.

It is an arithmetic number, because the mean of its divisors is an integer number (437570).

2^2921372 is an apocalyptic number.

It is an amenable number.

2921372 is a deficient number, since it is larger than the sum of its proper divisors (2329468).

2921372 is a wasteful number, since it uses less digits than its factorization.

2921372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19780 (or 19778 counting only the distinct ones).

The product of its digits is 1512, while the sum is 26.

The square root of 2921372 is about 1709.2021530527. The cubic root of 2921372 is about 142.9537725290.

The spelling of 2921372 in words is "two million, nine hundred twenty-one thousand, three hundred seventy-two".