3609099 has 24 divisors (see below), whose sum is σ = 5685680. Its totient is φ = 2192832.

The previous prime is 3609097. The next prime is 3609101. The reversal of 3609099 is 9909063.

It is an interprime number because it is at equal distance from previous prime (3609097) and next prime (3609101).

It is not a de Polignac number, because 3609099 - 2¹ = 3609097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3609097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12612 + ... + 12894.

Almost surely, 2^3609099 is an apocalyptic number.

3609099 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

3609099 is a deficient number, since it is larger than the sum of its proper divisors (2076581).

3609099 is a wasteful number, since it uses less digits than its factorization.

3609099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 3609099 is about 1899.7628799405. The cubic root of 3609099 is about 153.3909009843.

Subtracting from 3609099 its sum of digits (36), we obtain a palindrome (3609063).

The spelling of 3609099 in words is "three million, six hundred nine thousand, ninety-nine".