98439764 has 6 divisors (see below), whose sum is σ = 172269594. Its totient is φ = 49219880.

The previous prime is 98439763. The next prime is 98439773. The reversal of 98439764 is 46793489.

It can be written as a sum of positive squares in only one way, i.e., 73239364 + 25200400 = 8558^2 + 5020^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98439763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12304967 + ... + 12304974.

It is an arithmetic number, because the mean of its divisors is an integer number (28711599).

Almost surely, 2^98439764 is an apocalyptic number.

It is an amenable number.

98439764 is a deficient number, since it is larger than the sum of its proper divisors (73829830).

98439764 is a wasteful number, since it uses less digits than its factorization.

98439764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24609945 (or 24609943 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 98439764 is about 9921.6815107118. The cubic root of 98439764 is about 461.7322274070.

The spelling of 98439764 in words is "ninety-eight million, four hundred thirty-nine thousand, seven hundred sixty-four".