4979919 has 24 divisors (see below), whose sum is σ = 8135040. Its totient is φ = 2694384.

The previous prime is 4979911. The next prime is 4979921. The reversal of 4979919 is 9199794.

It is not a de Polignac number, because 4979919 - 2³ = 4979911 is a prime.

It is a super-2 number, since 2×4979919² = 49599186493122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4979911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1902 + ... + 3684.

It is an arithmetic number, because the mean of its divisors is an integer number (338960).

Almost surely, 2^4979919 is an apocalyptic number.

4979919 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4979919 is a deficient number, since it is larger than the sum of its proper divisors (3155121).

4979919 is a wasteful number, since it uses less digits than its factorization.

4979919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819 (or 1812 counting only the distinct ones).

The product of its digits is 183708, while the sum is 48.

The square root of 4979919 is about 2231.5732118844. The cubic root of 4979919 is about 170.7683673391.

The spelling of 4979919 in words is "four million, nine hundred seventy-nine thousand, nine hundred nineteen".