98939880 has 288 divisors, whose sum is σ = 371989800. Its totient is φ = 23514624.

The previous prime is 98939857. The next prime is 98939927. The reversal of 98939880 is 8893989.

It can be written as a sum of positive squares in 4 ways, for example, as 63011844 + 35928036 = 7938^2 + 5994^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3411706 + ... + 3411734.

Almost surely, 2^98939880 is an apocalyptic number.

98939880 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98939880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185994900).

98939880 is an abundant number, since it is smaller than the sum of its proper divisors (273049920).

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

98939880 is a wasteful number, since it uses less digits than its factorization.

98939880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 98939880 is about 9946.8527685897. The cubic root of 98939880 is about 462.5128391858.

The spelling of 98939880 in words is "ninety-eight million, nine hundred thirty-nine thousand, eight hundred eighty".