3661836 has 24 divisors (see below), whose sum is σ = 8593200. Its totient is φ = 1213632.

The previous prime is 3661831. The next prime is 3661841. The reversal of 3661836 is 6381663.

It is an interprime number because it is at equal distance from previous prime (3661831) and next prime (3661841).

It is a junction number, because it is equal to n+sod(n) for n = 3661797 and 3661806.

It is not an unprimeable number, because it can be changed into a prime (3661831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1590 + ... + 3138.

It is an arithmetic number, because the mean of its divisors is an integer number (358050).

Almost surely, 2^3661836 is an apocalyptic number.

It is an amenable number.

3661836 is an abundant number, since it is smaller than the sum of its proper divisors (4931364).

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

3661836 is a wasteful number, since it uses less digits than its factorization.

3661836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753 (or 1751 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 3661836 is about 1913.5924330954. The cubic root of 3661836 is about 154.1344190972.

The spelling of 3661836 in words is "three million, six hundred sixty-one thousand, eight hundred thirty-six".