3681272 has 24 divisors (see below), whose sum is σ = 8030160. Its totient is φ = 1577520.

The previous prime is 3681253. The next prime is 3681277. The reversal of 3681272 is 2721863.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4304 + ... + 5087.

It is an arithmetic number, because the mean of its divisors is an integer number (334590).

Almost surely, 2^3681272 is an apocalyptic number.

It is an amenable number.

3681272 is an abundant number, since it is smaller than the sum of its proper divisors (4348888).

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

3681272 is a wasteful number, since it uses less digits than its factorization.

3681272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9411 (or 9400 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 3681272 is about 1918.6641185992. The cubic root of 3681272 is about 154.4066388189.

The spelling of 3681272 in words is "three million, six hundred eighty-one thousand, two hundred seventy-two".