2091372 has 12 divisors (see below), whose sum is σ = 4879896. Its totient is φ = 697120.

The previous prime is 2091361. The next prime is 2091379. The reversal of 2091372 is 2731902.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2091379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87129 + ... + 87152.

It is an arithmetic number, because the mean of its divisors is an integer number (406658).

2^2091372 is an apocalyptic number.

It is an amenable number.

2091372 is an abundant number, since it is smaller than the sum of its proper divisors (2788524).

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

2091372 is a wasteful number, since it uses less digits than its factorization.

2091372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174288 (or 174286 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 2091372 is about 1446.1576677527. The cubic root of 2091372 is about 127.8822973985.

The spelling of 2091372 in words is "two million, ninety-one thousand, three hundred seventy-two".