3731636 has 12 divisors (see below), whose sum is σ = 6914628. Its totient is φ = 1756032.

The previous prime is 3731627. The next prime is 3731683. The reversal of 3731636 is 6361373.

3731636 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3422500 + 309136 = 1850^2 + 556^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3731599 and 3731608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27371 + ... + 27506.

It is an arithmetic number, because the mean of its divisors is an integer number (576219).

Almost surely, 2^3731636 is an apocalyptic number.

It is an amenable number.

3731636 is a deficient number, since it is larger than the sum of its proper divisors (3182992).

3731636 is a wasteful number, since it uses less digits than its factorization.

3731636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54898 (or 54896 counting only the distinct ones).

The product of its digits is 6804, while the sum is 29.

The square root of 3731636 is about 1931.7442894959. The cubic root of 3731636 is about 155.1076047814.

The spelling of 3731636 in words is "three million, seven hundred thirty-one thousand, six hundred thirty-six".