2045972 has 12 divisors (see below), whose sum is σ = 3590580. Its totient is φ = 1020096.

The previous prime is 2045963. The next prime is 2045987. The reversal of 2045972 is 2795402.

2045972 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 498436 + 1547536 = 706^2 + 1244^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2054 + ... + 2882.

It is an arithmetic number, because the mean of its divisors is an integer number (299215).

2^2045972 is an apocalyptic number.

It is an amenable number.

2045972 is a deficient number, since it is larger than the sum of its proper divisors (1544608).

2045972 is a wasteful number, since it uses less digits than its factorization.

2045972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450 (or 1448 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2045972 is about 1430.3747760640. The cubic root of 2045972 is about 126.9501530048.

The spelling of 2045972 in words is "two million, forty-five thousand, nine hundred seventy-two".