3634986 has 16 divisors (see below), whose sum is σ = 7289568. Its totient is φ = 1208400.

The previous prime is 3634963. The next prime is 3634993. The reversal of 3634986 is 6894363.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2896 + ... + 3956.

It is an arithmetic number, because the mean of its divisors is an integer number (455598).

Almost surely, 2^3634986 is an apocalyptic number.

3634986 is an abundant number, since it is smaller than the sum of its proper divisors (3654582).

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

3634986 is a wasteful number, since it uses less digits than its factorization.

3634986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637.

The product of its digits is 93312, while the sum is 39.

The square root of 3634986 is about 1906.5639249708. The cubic root of 3634986 is about 153.7567701428.

The spelling of 3634986 in words is "three million, six hundred thirty-four thousand, nine hundred eighty-six".