3633913 has 4 divisors (see below), whose sum is σ = 3751168. Its totient is φ = 3516660.

The previous prime is 3633907. The next prime is 3633919. The reversal of 3633913 is 3193363.

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 an interprime number because it is at equal distance from previous prime (3633907) and next prime (3633919).

It is a cyclic number.

It is not a de Polignac number, because 3633913 - 2⁹ = 3633401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3633919) 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, 58581 + ... + 58642.

It is an arithmetic number, because the mean of its divisors is an integer number (937792).

Almost surely, 2^3633913 is an apocalyptic number.

It is an amenable number.

3633913 is a deficient number, since it is larger than the sum of its proper divisors (117255).

3633913 is a wasteful number, since it uses less digits than its factorization.

3633913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117254.

The product of its digits is 4374, while the sum is 28.

The square root of 3633913 is about 1906.2825079195. The cubic root of 3633913 is about 153.7416396626.

The spelling of 3633913 in words is "three million, six hundred thirty-three thousand, nine hundred thirteen".