3649299 has 4 divisors (see below), whose sum is σ = 4865736. Its totient is φ = 2432864.

The previous prime is 3649297. The next prime is 3649301. The reversal of 3649299 is 9929463.

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

It is an interprime number because it is at equal distance from previous prime (3649297) and next prime (3649301).

It is a cyclic number.

It is not a de Polignac number, because 3649299 - 2¹ = 3649297 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 3649299.

It is not an unprimeable number, because it can be changed into a prime (3649297) 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, 608214 + ... + 608219.

It is an arithmetic number, because the mean of its divisors is an integer number (1216434).

Almost surely, 2^3649299 is an apocalyptic number.

3649299 is a deficient number, since it is larger than the sum of its proper divisors (1216437).

3649299 is a wasteful number, since it uses less digits than its factorization.

3649299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216436.

The product of its digits is 104976, while the sum is 42.

The square root of 3649299 is about 1910.3138485600. The cubic root of 3649299 is about 153.9583150234.

The spelling of 3649299 in words is "three million, six hundred forty-nine thousand, two hundred ninety-nine".