98142705 has 16 divisors (see below), whose sum is σ = 174476160. Its totient is φ = 52342704.

The previous prime is 98142701. The next prime is 98142713. The reversal of 98142705 is 50724189.

It is not a de Polignac number, because 98142705 - 2² = 98142701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98142705.

It is not an unprimeable number, because it can be changed into a prime (98142701) 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, 363357 + ... + 363626.

It is an arithmetic number, because the mean of its divisors is an integer number (10904760).

Almost surely, 2^98142705 is an apocalyptic number.

It is an amenable number.

98142705 is a deficient number, since it is larger than the sum of its proper divisors (76333455).

98142705 is a wasteful number, since it uses less digits than its factorization.

98142705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726997 (or 726991 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 98142705 is about 9906.7000055518. The cubic root of 98142705 is about 461.2673071700.

The spelling of 98142705 in words is "ninety-eight million, one hundred forty-two thousand, seven hundred five".