98437728 has 24 divisors (see below), whose sum is σ = 258399288. Its totient is φ = 32812544.

The previous prime is 98437709. The next prime is 98437739. The reversal of 98437728 is 82773489.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512601 + ... + 512792.

It is an arithmetic number, because the mean of its divisors is an integer number (10766637).

Almost surely, 2^98437728 is an apocalyptic number.

It is an amenable number.

98437728 is an abundant number, since it is smaller than the sum of its proper divisors (159961560).

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

98437728 is a wasteful number, since it uses less digits than its factorization.

98437728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025406 (or 1025398 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 98437728 is about 9921.5789066055. The cubic root of 98437728 is about 461.7290440955.

It can be divided in two parts, 9843 and 7728, that added together give a palindrome (17571).

The spelling of 98437728 in words is "ninety-eight million, four hundred thirty-seven thousand, seven hundred twenty-eight".