3681952 has 12 divisors (see below), whose sum is σ = 7248906. Its totient is φ = 1840960.

The previous prime is 3681949. The next prime is 3681967. The reversal of 3681952 is 2591863.

It can be written as a sum of positive squares in only one way, i.e., 3549456 + 132496 = 1884^2 + 364^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57499 + ... + 57562.

Almost surely, 2^3681952 is an apocalyptic number.

3681952 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3681952 is a deficient number, since it is larger than the sum of its proper divisors (3566954).

3681952 is a wasteful number, since it uses less digits than its factorization.

3681952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115071 (or 115063 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 3681952 is about 1918.8413170453. The cubic root of 3681952 is about 154.4161455013.

The spelling of 3681952 in words is "three million, six hundred eighty-one thousand, nine hundred fifty-two".