98564172 has 48 divisors (see below), whose sum is σ = 276675840. Its totient is φ = 26678592.

The previous prime is 98564171. The next prime is 98564173. The reversal of 98564172 is 27146589.

It is an interprime number because it is at equal distance from previous prime (98564171) and next prime (98564173).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (98564171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29283 + ... + 32474.

It is an arithmetic number, because the mean of its divisors is an integer number (5764080).

Almost surely, 2^98564172 is an apocalyptic number.

It is an amenable number.

98564172 is an abundant number, since it is smaller than the sum of its proper divisors (178111668).

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

98564172 is a wasteful number, since it uses less digits than its factorization.

98564172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61790 (or 61788 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 98564172 is about 9927.9490329070. The cubic root of 98564172 is about 461.9266576478.

It can be divided in two parts, 9856 and 4172, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 98564172 in words is "ninety-eight million, five hundred sixty-four thousand, one hundred seventy-two".