3637994 has 8 divisors (see below), whose sum is σ = 5479488. Its totient is φ = 1811500.

The previous prime is 3637981. The next prime is 3638003. The reversal of 3637994 is 4997363.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3122 + ... + 4125.

It is an arithmetic number, because the mean of its divisors is an integer number (684936).

Almost surely, 2^3637994 is an apocalyptic number.

3637994 is a deficient number, since it is larger than the sum of its proper divisors (1841494).

3637994 is a wasteful number, since it uses less digits than its factorization.

3637994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7500.

The product of its digits is 122472, while the sum is 41.

The square root of 3637994 is about 1907.3526155381. The cubic root of 3637994 is about 153.7991703838.

The spelling of 3637994 in words is "three million, six hundred thirty-seven thousand, nine hundred ninety-four".