2299649 has 8 divisors (see below), whose sum is σ = 2570400. Its totient is φ = 2039200.

The previous prime is 2299637. The next prime is 2299651. The reversal of 2299649 is 9469922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2299649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2299049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2099 + ... + 3000.

It is an arithmetic number, because the mean of its divisors is an integer number (321300).

2^2299649 is an apocalyptic number.

It is an amenable number.

2299649 is a deficient number, since it is larger than the sum of its proper divisors (270751).

2299649 is a wasteful number, since it uses less digits than its factorization.

2299649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5151.

The product of its digits is 69984, while the sum is 41.

The square root of 2299649 is about 1516.4593631219. The cubic root of 2299649 is about 131.9938970242.

The spelling of 2299649 in words is "two million, two hundred ninety-nine thousand, six hundred forty-nine".