4990908 has 72 divisors (see below), whose sum is σ = 13281408. Its totient is φ = 1455168.

The previous prime is 4990891. The next prime is 4990919. The reversal of 4990908 is 8090994.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46591 + ... + 46697.

It is an arithmetic number, because the mean of its divisors is an integer number (184464).

Almost surely, 2^4990908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4990908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6640704).

4990908 is an abundant number, since it is smaller than the sum of its proper divisors (8290500).

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

4990908 is a wasteful number, since it uses less digits than its factorization.

4990908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 4990908 is about 2234.0340194366. The cubic root of 4990908 is about 170.8938844380.

The spelling of 4990908 in words is "four million, nine hundred ninety thousand, nine hundred eight".