98765438 has 8 divisors (see below), whose sum is σ = 148784688. Its totient is φ = 49170544.

The previous prime is 98765431. The next prime is 98765441. The reversal of 98765438 is 83456789.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×98765438² = 19509223486663688, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98765431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105506 + ... + 106437.

It is an arithmetic number, because the mean of its divisors is an integer number (18598086).

Almost surely, 2^98765438 is an apocalyptic number.

98765438 is a deficient number, since it is larger than the sum of its proper divisors (50019250).

98765438 is a wasteful number, since it uses less digits than its factorization.

98765438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212178.

The product of its digits is 1451520, while the sum is 50.

The square root of 98765438 is about 9938.0801968992. The cubic root of 98765438 is about 462.2408587734.

The spelling of 98765438 in words is "ninety-eight million, seven hundred sixty-five thousand, four hundred thirty-eight".