2369649 has 4 divisors (see below), whose sum is σ = 3159536. Its totient is φ = 1579764.

The previous prime is 2369641. The next prime is 2369651. The reversal of 2369649 is 9469632.

It is a happy number.

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 not a de Polignac number, because 2369649 - 2³ = 2369641 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2369641) 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, 394939 + ... + 394944.

It is an arithmetic number, because the mean of its divisors is an integer number (789884).

2^2369649 is an apocalyptic number.

It is an amenable number.

2369649 is a deficient number, since it is larger than the sum of its proper divisors (789887).

2369649 is an equidigital number, since it uses as much as digits as its factorization.

2369649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789886.

The product of its digits is 69984, while the sum is 39.

The square root of 2369649 is about 1539.3664281126. The cubic root of 2369649 is about 133.3198062666.

The spelling of 2369649 in words is "two million, three hundred sixty-nine thousand, six hundred forty-nine".