4998690 has 24 divisors (see below), whose sum is σ = 12996828. Its totient is φ = 1332960.

The previous prime is 4998689. The next prime is 4998713. The reversal of 4998690 is 968994.

It can be written as a sum of positive squares in 2 ways, for example, as 4422609 + 576081 = 2103^2 + 759^2 .

It is a super-2 number, since 2×4998690² = 49973803432200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27681 + ... + 27860.

Almost surely, 2^4998690 is an apocalyptic number.

4998690 is an abundant number, since it is smaller than the sum of its proper divisors (7998138).

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

4998690 is a wasteful number, since it uses less digits than its factorization.

4998690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55554 (or 55551 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 4998690 is about 2235.7750334056. The cubic root of 4998690 is about 170.9826595733.

The spelling of 4998690 in words is "four million, nine hundred ninety-eight thousand, six hundred ninety".