4979942 has 16 divisors (see below), whose sum is σ = 8349264. Its totient is φ = 2208000.

The previous prime is 4979939. The next prime is 4979969. The reversal of 4979942 is 2499794.

It is a d-powerful number, because it can be written as 4 + 9 + 7³ + 9 + 9⁷ + 4⁸ + 2¹⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 4979893 and 4979902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1859 + ... + 3662.

It is an arithmetic number, because the mean of its divisors is an integer number (521829).

Almost surely, 2^4979942 is an apocalyptic number.

4979942 is a deficient number, since it is larger than the sum of its proper divisors (3369322).

4979942 is a wasteful number, since it uses less digits than its factorization.

4979942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575.

The product of its digits is 163296, while the sum is 44.

The square root of 4979942 is about 2231.5783651936. The cubic root of 4979942 is about 170.7686302394.

The spelling of 4979942 in words is "four million, nine hundred seventy-nine thousand, nine hundred forty-two".