98993907 has 80 divisors (see below), whose sum is σ = 168838560. Its totient is φ = 57480192.

The previous prime is 98993903. The next prime is 98993927. The reversal of 98993907 is 70939989.

It is a happy number.

It is not a de Polignac number, because 98993907 - 2² = 98993903 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (98993903) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1477488 + ... + 1477554.

It is an arithmetic number, because the mean of its divisors is an integer number (2110482).

Almost surely, 2^98993907 is an apocalyptic number.

98993907 is a deficient number, since it is larger than the sum of its proper divisors (69844653).

98993907 is a wasteful number, since it uses less digits than its factorization.

98993907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 54.

The square root of 98993907 is about 9949.5681815846. The cubic root of 98993907 is about 462.5970102811.

The spelling of 98993907 in words is "ninety-eight million, nine hundred ninety-three thousand, nine hundred seven".