4990920 has 128 divisors (see below), whose sum is σ = 17280000. Its totient is φ = 1140480.

The previous prime is 4990919. The next prime is 4990927. The reversal of 4990920 is 290994.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (4990927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24981 + ... + 25179.

It is an arithmetic number, because the mean of its divisors is an integer number (135000).

Almost surely, 2^4990920 is an apocalyptic number.

4990920 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 4990920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8640000).

4990920 is an abundant number, since it is smaller than the sum of its proper divisors (12289080).

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

4990920 is a wasteful number, since it uses less digits than its factorization.

4990920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 4990920 is about 2234.0367051595. The cubic root of 4990920 is about 170.8940214020.

The spelling of 4990920 in words is "four million, nine hundred ninety thousand, nine hundred twenty".