98345091 has 16 divisors (see below), whose sum is σ = 142539264. Its totient is φ = 59951904.

The previous prime is 98345081. The next prime is 98345147. The reversal of 98345091 is 19054389.

It is not a de Polignac number, because 98345091 - 2⁷ = 98344963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (98345021) 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, 7611 + ... + 15956.

It is an arithmetic number, because the mean of its divisors is an integer number (8908704).

Almost surely, 2^98345091 is an apocalyptic number.

98345091 is a deficient number, since it is larger than the sum of its proper divisors (44194173).

98345091 is a wasteful number, since it uses less digits than its factorization.

98345091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23690.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 98345091 is about 9916.9093471706. The cubic root of 98345091 is about 461.5841585288.

The spelling of 98345091 in words is "ninety-eight million, three hundred forty-five thousand, ninety-one".