98378280 has 576 divisors, whose sum is σ = 450619200. Its totient is φ = 18869760.

The previous prime is 98378279. The next prime is 98378321. The reversal of 98378280 is 8287389.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 7567554 + ... + 7567566.

It is an arithmetic number, because the mean of its divisors is an integer number (782325).

Almost surely, 2^98378280 is an apocalyptic number.

98378280 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 98378280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225309600).

98378280 is an abundant number, since it is smaller than the sum of its proper divisors (352240920).

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

98378280 is a wasteful number, since it uses less digits than its factorization.

98378280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 98378280 is about 9918.5825600234. The cubic root of 98378280 is about 461.6360770451.

The spelling of 98378280 in words is "ninety-eight million, three hundred seventy-eight thousand, two hundred eighty".