938648998 has 64 divisors (see below), whose sum is σ = 1756339200. Its totient is φ = 375144000.

The previous prime is 938648993. The next prime is 938649011. The reversal of 938648998 is 899846839.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938648993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 646173 + ... + 647623.

It is an arithmetic number, because the mean of its divisors is an integer number (27442800).

Almost surely, 2^938648998 is an apocalyptic number.

938648998 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

938648998 is a deficient number, since it is larger than the sum of its proper divisors (817690202).

938648998 is a wasteful number, since it uses less digits than its factorization.

938648998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538 (or 1524 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 64.

The square root of 938648998 is about 30637.3790980887. The cubic root of 938648998 is about 979.1165848423.

The spelling of 938648998 in words is "nine hundred thirty-eight million, six hundred forty-eight thousand, nine hundred ninety-eight".