4979142 has 48 divisors (see below), whose sum is σ = 12629760. Its totient is φ = 1388016.

The previous prime is 4979141. The next prime is 4979153. The reversal of 4979142 is 2419794.

It is a junction number, because it is equal to n+sod(n) for n = 4979097 and 4979106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4979141) 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, 4959 + ... + 5877.

It is an arithmetic number, because the mean of its divisors is an integer number (263120).

Almost surely, 2^4979142 is an apocalyptic number.

4979142 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4979142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6314880).

4979142 is an abundant number, since it is smaller than the sum of its proper divisors (7650618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4979142 is a wasteful number, since it uses less digits than its factorization.

4979142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977 (or 974 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 4979142 is about 2231.3991126645. The cubic root of 4979142 is about 170.7594854059.

The spelling of 4979142 in words is "four million, nine hundred seventy-nine thousand, one hundred forty-two".