3724636 has 12 divisors (see below), whose sum is σ = 6531840. Its totient is φ = 1858400.

The previous prime is 3724631. The next prime is 3724657. The reversal of 3724636 is 6364273.

It is a junction number, because it is equal to n+sod(n) for n = 3724598 and 3724607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3724631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2661 + ... + 3811.

It is an arithmetic number, because the mean of its divisors is an integer number (544320).

Almost surely, 2^3724636 is an apocalyptic number.

It is an amenable number.

3724636 is a deficient number, since it is larger than the sum of its proper divisors (2807204).

3724636 is a wasteful number, since it uses less digits than its factorization.

3724636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964 (or 1962 counting only the distinct ones).

The product of its digits is 18144, while the sum is 31.

The square root of 3724636 is about 1929.9316050057. The cubic root of 3724636 is about 155.0105577269.

The spelling of 3724636 in words is "three million, seven hundred twenty-four thousand, six hundred thirty-six".