98891934 has 16 divisors (see below), whose sum is σ = 197929872. Its totient is φ = 32939648.

The previous prime is 98891909. The next prime is 98891939. The reversal of 98891934 is 43919889.

It is a happy number.

It is a super-2 number, since 2×98891934² = 19559229220520712, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98891939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4012 + ... + 14624.

It is an arithmetic number, because the mean of its divisors is an integer number (12370617).

Almost surely, 2^98891934 is an apocalyptic number.

98891934 is an abundant number, since it is smaller than the sum of its proper divisors (99037938).

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

98891934 is a wasteful number, since it uses less digits than its factorization.

98891934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12171.

The product of its digits is 559872, while the sum is 51.

The square root of 98891934 is about 9944.4423674734. The cubic root of 98891934 is about 462.4381162880.

The spelling of 98891934 in words is "ninety-eight million, eight hundred ninety-one thousand, nine hundred thirty-four".