2372649 has 4 divisors (see below), whose sum is σ = 3163536. Its totient is φ = 1581764.

The previous prime is 2372641. The next prime is 2372659. The reversal of 2372649 is 9462732.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2372649 - 2³ = 2372641 is a prime.

It is a d-powerful number, because it can be written as 2³ + 3⁸ + 7 + 2²¹ + 6³ + 4⁹ + 9⁴ .

It is a D-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, 395439 + ... + 395444.

It is an arithmetic number, because the mean of its divisors is an integer number (790884).

2^2372649 is an apocalyptic number.

It is an amenable number.

2372649 is a deficient number, since it is larger than the sum of its proper divisors (790887).

2372649 is an equidigital number, since it uses as much as digits as its factorization.

2372649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790886.

The product of its digits is 18144, while the sum is 33.

The square root of 2372649 is about 1540.3405467623. The cubic root of 2372649 is about 133.3760439559.

The spelling of 2372649 in words is "two million, three hundred seventy-two thousand, six hundred forty-nine".