4979518 has 4 divisors (see below), whose sum is σ = 7469280. Its totient is φ = 2489758.

The previous prime is 4979489. The next prime is 4979519. The reversal of 4979518 is 8159794.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4979519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244878 + ... + 1244881.

It is an arithmetic number, because the mean of its divisors is an integer number (1867320).

Almost surely, 2^4979518 is an apocalyptic number.

4979518 is a deficient number, since it is larger than the sum of its proper divisors (2489762).

4979518 is a wasteful number, since it uses less digits than its factorization.

4979518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489761.

The product of its digits is 90720, while the sum is 43.

The square root of 4979518 is about 2231.4833631466. The cubic root of 4979518 is about 170.7637835996.

The spelling of 4979518 in words is "four million, nine hundred seventy-nine thousand, five hundred eighteen".