3994386 has 16 divisors (see below), whose sum is σ = 8715168. Its totient is φ = 1210400.

The previous prime is 3994369. The next prime is 3994391. The reversal of 3994386 is 6834993.

It is a congruent number.

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, 30195 + ... + 30326.

It is an arithmetic number, because the mean of its divisors is an integer number (544698).

Almost surely, 2^3994386 is an apocalyptic number.

3994386 is an abundant number, since it is smaller than the sum of its proper divisors (4720782).

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

3994386 is a wasteful number, since it uses less digits than its factorization.

3994386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60537.

The product of its digits is 139968, while the sum is 42.

The square root of 3994386 is about 1998.5960072011. The cubic root of 3994386 is about 158.6658065140.

The spelling of 3994386 in words is "three million, nine hundred ninety-four thousand, three hundred eighty-six".