4942920 has 64 divisors (see below), whose sum is σ = 15707520. Its totient is φ = 1240064.

The previous prime is 4942913. The next prime is 4942921. The reversal of 4942920 is 292494.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4942921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829 + ... + 3251.

It is an arithmetic number, because the mean of its divisors is an integer number (245430).

Almost surely, 2^4942920 is an apocalyptic number.

4942920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4942920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7853760).

4942920 is an abundant number, since it is smaller than the sum of its proper divisors (10764600).

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

4942920 is a wasteful number, since it uses less digits than its factorization.

4942920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454 (or 2450 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 4942920 is about 2223.2678651031. The cubic root of 4942920 is about 170.3443998548.

The spelling of 4942920 in words is "four million, nine hundred forty-two thousand, nine hundred twenty".