98149187 has 4 divisors (see below), whose sum is σ = 98268696. Its totient is φ = 98029680.

The previous prime is 98149141. The next prime is 98149199. The reversal of 98149187 is 78194189.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98149187 - 2⁸ = 98148931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98149127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58514 + ... + 60167.

It is an arithmetic number, because the mean of its divisors is an integer number (24567174).

Almost surely, 2^98149187 is an apocalyptic number.

98149187 is a deficient number, since it is larger than the sum of its proper divisors (119509).

98149187 is a wasteful number, since it uses less digits than its factorization.

98149187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119508.

The product of its digits is 145152, while the sum is 47.

The square root of 98149187 is about 9907.0271524812. The cubic root of 98149187 is about 461.2774620048.

The spelling of 98149187 in words is "ninety-eight million, one hundred forty-nine thousand, one hundred eighty-seven".