4979081 has 4 divisors (see below), whose sum is σ = 5100564. Its totient is φ = 4857600.

The previous prime is 4979071. The next prime is 4979101. The reversal of 4979081 is 1809794.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1666681 + 3312400 = 1291^2 + 1820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4979081 is a prime.

It is a super-2 number, since 2×4979081² = 49582495209122, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4979021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60680 + ... + 60761.

It is an arithmetic number, because the mean of its divisors is an integer number (1275141).

Almost surely, 2^4979081 is an apocalyptic number.

4979081 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4979081 is a deficient number, since it is larger than the sum of its proper divisors (121483).

4979081 is a wasteful number, since it uses less digits than its factorization.

4979081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121482.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 4979081 is about 2231.3854440683. The cubic root of 4979081 is about 170.7587880722.

The spelling of 4979081 in words is "four million, nine hundred seventy-nine thousand, eighty-one".