98609947 has 16 divisors (see below), whose sum is σ = 107216640. Its totient is φ = 90411552.

The previous prime is 98609941. The next prime is 98609969. The reversal of 98609947 is 74990689.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98609947 is a prime.

It is a pancake number, because a pancake can be divided into 98609947 parts by 14043 straight cuts.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98609894 and 98609903.

It is not an unprimeable number, because it can be changed into a prime (98609941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108268 + ... + 109174.

It is an arithmetic number, because the mean of its divisors is an integer number (6701040).

Almost surely, 2^98609947 is an apocalyptic number.

98609947 is a deficient number, since it is larger than the sum of its proper divisors (8606693).

98609947 is a wasteful number, since it uses less digits than its factorization.

98609947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 98609947 is about 9930.2541256506. The cubic root of 98609947 is about 461.9981556369.

The spelling of 98609947 in words is "ninety-eight million, six hundred nine thousand, nine hundred forty-seven".