3639246 has 48 divisors (see below), whose sum is σ = 8177904. Its totient is φ = 1078272.

The previous prime is 3639217. The next prime is 3639277. The reversal of 3639246 is 6429363.

It is a super-2 number, since 2×3639246² = 26488222897032, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37470 + ... + 37566.

It is an arithmetic number, because the mean of its divisors is an integer number (170373).

Almost surely, 2^3639246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3639246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4088952).

3639246 is an abundant number, since it is smaller than the sum of its proper divisors (4538658).

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

3639246 is a wasteful number, since it uses less digits than its factorization.

3639246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 152 counting only the distinct ones).

The product of its digits is 23328, while the sum is 33.

The square root of 3639246 is about 1907.6807909082. The cubic root of 3639246 is about 153.8168114681.

The spelling of 3639246 in words is "three million, six hundred thirty-nine thousand, two hundred forty-six".