3099636 has 36 divisors (see below), whose sum is σ = 8108100. Its totient is φ = 997248.

The previous prime is 3099623. The next prime is 3099667. The reversal of 3099636 is 6369903.

It can be written as a sum of positive squares in 2 ways, for example, as 571536 + 2528100 = 756^2 + 1590^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3099636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 441 + ... + 2528.

It is an arithmetic number, because the mean of its divisors is an integer number (225225).

Almost surely, 2^3099636 is an apocalyptic number.

3099636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3099636 is an abundant number, since it is smaller than the sum of its proper divisors (5008464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3099636 is a wasteful number, since it uses less digits than its factorization.

3099636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008 (or 3003 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 3099636 is about 1760.5783140775. The cubic root of 3099636 is about 145.8042663883.

The spelling of 3099636 in words is "three million, ninety-nine thousand, six hundred thirty-six".