4915998 has 32 divisors (see below), whose sum is σ = 11116800. Its totient is φ = 1609848.

The previous prime is 4915987. The next prime is 4916027. The reversal of 4915998 is 8995194.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2415 + ... + 3957.

It is an arithmetic number, because the mean of its divisors is an integer number (347400).

Almost surely, 2^4915998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4915998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5558400).

4915998 is an abundant number, since it is smaller than the sum of its proper divisors (6200802).

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

4915998 is a wasteful number, since it uses less digits than its factorization.

4915998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613 (or 1607 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 4915998 is about 2217.2049972883. The cubic root of 4915998 is about 170.0345719769.

The spelling of 4915998 in words is "four million, nine hundred fifteen thousand, nine hundred ninety-eight".