2372691 has 4 divisors (see below), whose sum is σ = 3163592. Its totient is φ = 1581792.

The previous prime is 2372687. The next prime is 2372731. The reversal of 2372691 is 1962732.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2372691 - 2² = 2372687 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2372641) 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, 395446 + ... + 395451.

It is an arithmetic number, because the mean of its divisors is an integer number (790898).

2^2372691 is an apocalyptic number.

2372691 is a deficient number, since it is larger than the sum of its proper divisors (790901).

2372691 is an equidigital number, since it uses as much as digits as its factorization.

2372691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790900.

The product of its digits is 4536, while the sum is 30.

The square root of 2372691 is about 1540.3541800508. The cubic root of 2372691 is about 133.3768309470.

The spelling of 2372691 in words is "two million, three hundred seventy-two thousand, six hundred ninety-one".