4979181 has 12 divisors (see below), whose sum is σ = 7053632. Its totient is φ = 3123648.

The previous prime is 4979173. The next prime is 4979209. The reversal of 4979181 is 1819794.

It is a happy number.

It is not a de Polignac number, because 4979181 - 2³ = 4979173 is a prime.

It is a super-2 number, since 2×4979181² = 49584486861522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4979101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2005 + ... + 3738.

Almost surely, 2^4979181 is an apocalyptic number.

It is an amenable number.

4979181 is a deficient number, since it is larger than the sum of its proper divisors (2074451).

4979181 is a wasteful number, since it uses less digits than its factorization.

4979181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5780 (or 5763 counting only the distinct ones).

The product of its digits is 18144, while the sum is 39.

The square root of 4979181 is about 2231.4078515592. The cubic root of 4979181 is about 170.7599312393.

The spelling of 4979181 in words is "four million, nine hundred seventy-nine thousand, one hundred eighty-one".