3653139 has 16 divisors (see below), whose sum is σ = 5645312. Its totient is φ = 2058048.

The previous prime is 3653137. The next prime is 3653161. The reversal of 3653139 is 9313563.

It is not a de Polignac number, because 3653139 - 2¹ = 3653137 is a prime.

It is a Duffinian number.

3653139 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3653137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342 + ... + 2724.

It is an arithmetic number, because the mean of its divisors is an integer number (352832).

Almost surely, 2^3653139 is an apocalyptic number.

3653139 is the 1022-nd nonagonal number.

3653139 is a deficient number, since it is larger than the sum of its proper divisors (1992173).

3653139 is a wasteful number, since it uses less digits than its factorization.

3653139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466.

The product of its digits is 7290, while the sum is 30.

The square root of 3653139 is about 1911.3186547512. The cubic root of 3653139 is about 154.0122973258.

The spelling of 3653139 in words is "three million, six hundred fifty-three thousand, one hundred thirty-nine".