4621994 has 16 divisors (see below), whose sum is σ = 7906248. Its totient is φ = 2007552.

The previous prime is 4621979. The next prime is 4621999. The reversal of 4621994 is 4991264.

It can be written as a sum of positive squares in 4 ways, for example, as 4431025 + 190969 = 2105^2 + 437^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4621999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4787 + ... + 5670.

Almost surely, 2^4621994 is an apocalyptic number.

4621994 is a deficient number, since it is larger than the sum of its proper divisors (3284254).

4621994 is a wasteful number, since it uses less digits than its factorization.

4621994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10489.

The product of its digits is 15552, while the sum is 35.

The square root of 4621994 is about 2149.8823223609. The cubic root of 4621994 is about 166.5749886913.

The spelling of 4621994 in words is "four million, six hundred twenty-one thousand, nine hundred ninety-four".