4637994 has 16 divisors (see below), whose sum is σ = 9299232. Its totient is φ = 1542128.

The previous prime is 4637981. The next prime is 4638001. The reversal of 4637994 is 4997364.

It is a Curzon 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, 2692 + ... + 4064.

It is an arithmetic number, because the mean of its divisors is an integer number (581202).

Almost surely, 2^4637994 is an apocalyptic number.

4637994 is an abundant number, since it is smaller than the sum of its proper divisors (4661238).

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

4637994 is a wasteful number, since it uses less digits than its factorization.

4637994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941.

The product of its digits is 163296, while the sum is 42.

The square root of 4637994 is about 2153.6002414562. The cubic root of 4637994 is about 166.7669787239.

The spelling of 4637994 in words is "four million, six hundred thirty-seven thousand, nine hundred ninety-four".