98664540 has 48 divisors (see below), whose sum is σ = 297513888. Its totient is φ = 24286464.

The previous prime is 98664539. The next prime is 98664541. The reversal of 98664540 is 4546689.

It is an interprime number because it is at equal distance from previous prime (98664539) and next prime (98664541).

It is a junction number, because it is equal to n+sod(n) for n = 98664492 and 98664501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98664541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62467 + ... + 64026.

It is an arithmetic number, because the mean of its divisors is an integer number (6198206).

Almost surely, 2^98664540 is an apocalyptic number.

It is an amenable number.

98664540 is an abundant number, since it is smaller than the sum of its proper divisors (198849348).

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

98664540 is a wasteful number, since it uses less digits than its factorization.

98664540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126518 (or 126516 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 98664540 is about 9933.0025671999. The cubic root of 98664540 is about 462.0833979240.

The spelling of 98664540 in words is "ninety-eight million, six hundred sixty-four thousand, five hundred forty".