100398260 has 48 divisors (see below), whose sum is σ = 226437120. Its totient is φ = 37255680.

The previous prime is 100398257. The next prime is 100398281. The reversal of 100398260 is 62893001.

It is a super-2 number, since 2×100398260² = 20159621222055200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22061 + ... + 26219.

It is an arithmetic number, because the mean of its divisors is an integer number (4717440).

Almost surely, 2^100398260 is an apocalyptic number.

100398260 is a gapful number since it is divisible by the number (10) 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 100398260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113218560).

100398260 is an abundant number, since it is smaller than the sum of its proper divisors (126038860).

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

100398260 is a wasteful number, since it uses less digits than its factorization.

100398260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4256 (or 4254 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 100398260 is about 10019.8932130038. The cubic root of 100398260 is about 464.7742535480.

The spelling of 100398260 in words is "one hundred million, three hundred ninety-eight thousand, two hundred sixty".