4999988 has 12 divisors (see below), whose sum is σ = 10000032. Its totient is φ = 2142840.

The previous prime is 4999963. The next prime is 4999999. The reversal of 4999988 is 8899994.

4999988 is an admirable number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89258 + ... + 89313.

It is an arithmetic number, because the mean of its divisors is an integer number (833336).

Almost surely, 2^4999988 is an apocalyptic number.

It is an amenable number.

4999988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4999988 is a wasteful number, since it uses less digits than its factorization.

4999988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178582 (or 178580 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 56.

The square root of 4999988 is about 2236.0652942166. The cubic root of 4999988 is about 170.9974578695.

The spelling of 4999988 in words is "four million, nine hundred ninety-nine thousand, nine hundred eighty-eight".