98438240 has 48 divisors (see below), whose sum is σ = 244807920. Its totient is φ = 37301760.

The previous prime is 98438231. The next prime is 98438243. The reversal of 98438240 is 4283489.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 98438194 and 98438203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98438243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13151 + ... + 19230.

It is an arithmetic number, because the mean of its divisors is an integer number (5100165).

Almost surely, 2^98438240 is an apocalyptic number.

It is an amenable number.

98438240 is an abundant number, since it is smaller than the sum of its proper divisors (146369680).

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

98438240 is a wasteful number, since it uses less digits than its factorization.

98438240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32415 (or 32407 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 98438240 is about 9921.6047089168. The cubic root of 98438240 is about 461.7298446181.

The spelling of 98438240 in words is "ninety-eight million, four hundred thirty-eight thousand, two hundred forty".