4981136 has 20 divisors (see below), whose sum is σ = 10219212. Its totient is φ = 2343936.

The previous prime is 4981103. The next prime is 4981157. The reversal of 4981136 is 6311894.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2560000 + 2421136 = 1600^2 + 1556^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

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, 8885 + ... + 9428.

Almost surely, 2^4981136 is an apocalyptic number.

It is an amenable number.

4981136 is an abundant number, since it is smaller than the sum of its proper divisors (5238076).

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

4981136 is a wasteful number, since it uses less digits than its factorization.

4981136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18338 (or 18332 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 4981136 is about 2231.8458728147. The cubic root of 4981136 is about 170.7822770818.

The spelling of 4981136 in words is "four million, nine hundred eighty-one thousand, one hundred thirty-six".