2043972 has 36 divisors (see below), whose sum is σ = 5905536. Its totient is φ = 583920.

The previous prime is 2043971. The next prime is 2043989. The reversal of 2043972 is 2793402.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2043971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3804 + ... + 4307.

2^2043972 is an apocalyptic number.

It is an amenable number.

2043972 is an abundant number, since it is smaller than the sum of its proper divisors (3861564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2043972 is a wasteful number, since it uses less digits than its factorization.

2043972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8128 (or 8123 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2043972 is about 1429.6754876545. The cubic root of 2043972 is about 126.9087736372.

The spelling of 2043972 in words is "two million, forty-three thousand, nine hundred seventy-two".