98947440 has 160 divisors (see below), whose sum is σ = 358905600. Its totient is φ = 24986880.

The previous prime is 98947399. The next prime is 98947481. The reversal of 98947440 is 4474989.

It is an interprime number because it is at equal distance from previous prime (98947399) and next prime (98947481).

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 31 ways as a sum of consecutive naturals, for example, 39835 + ... + 42245.

It is an arithmetic number, because the mean of its divisors is an integer number (2243160).

Almost surely, 2^98947440 is an apocalyptic number.

98947440 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 98947440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179452800).

98947440 is an abundant number, since it is smaller than the sum of its proper divisors (259958160).

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

98947440 is a wasteful number, since it uses less digits than its factorization.

98947440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452 (or 2440 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 98947440 is about 9947.2327810301. The cubic root of 98947440 is about 462.5246190937.

The spelling of 98947440 in words is "ninety-eight million, nine hundred forty-seven thousand, four hundred forty".