1498933998 has 20 divisors (see below), whose sum is σ = 3358722840. Its totient is φ = 499644612.

The previous prime is 1498933993. The next prime is 1498934053. The reversal of 1498933998 is 8993398941.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1498933993) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4626178 + ... + 4626501.

It is an arithmetic number, because the mean of its divisors is an integer number (167936142).

Almost surely, 2^1498933998 is an apocalyptic number.

1498933998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1498933998 is an abundant number, since it is smaller than the sum of its proper divisors (1859788842).

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

1498933998 is an equidigital number, since it uses as much as digits as its factorization.

1498933998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9252693 (or 9252684 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 63.

The square root of 1498933998 is about 38716.0689895036. The cubic root of 1498933998 is about 1144.4430076968.

The spelling of 1498933998 in words is "one billion, four hundred ninety-eight million, nine hundred thirty-three thousand, nine hundred ninety-eight".