98238690 has 192 divisors, whose sum is σ = 300303360. Its totient is φ = 22809600.

The previous prime is 98238661. The next prime is 98238709. The reversal of 98238690 is 9683289.

It is a super-2 number, since 2×98238690² = 19301680425832200, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1012722 + ... + 1012818.

It is an arithmetic number, because the mean of its divisors is an integer number (1564080).

Almost surely, 2^98238690 is an apocalyptic number.

98238690 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 98238690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150151680).

98238690 is an abundant number, since it is smaller than the sum of its proper divisors (202064670).

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

98238690 is a wasteful number, since it uses less digits than its factorization.

98238690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 98238690 is about 9911.5432703490. The cubic root of 98238690 is about 461.4176335630.

The spelling of 98238690 in words is "ninety-eight million, two hundred thirty-eight thousand, six hundred ninety".