98578605 has 16 divisors (see below), whose sum is σ = 162814464. Its totient is φ = 50879040.

The previous prime is 98578589. The next prime is 98578607. The reversal of 98578605 is 50687589.

It is not a de Polignac number, because 98578605 - 2⁴ = 98578589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98578607) 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, 105534 + ... + 106463.

It is an arithmetic number, because the mean of its divisors is an integer number (10175904).

Almost surely, 2^98578605 is an apocalyptic number.

It is an amenable number.

98578605 is a deficient number, since it is larger than the sum of its proper divisors (64235859).

98578605 is a wasteful number, since it uses less digits than its factorization.

98578605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212036.

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 98578605 is about 9928.6758935923. The cubic root of 98578605 is about 461.9492035754.

The spelling of 98578605 in words is "ninety-eight million, five hundred seventy-eight thousand, six hundred five".