98190947 has 4 divisors (see below), whose sum is σ = 98213496. Its totient is φ = 98168400.

The previous prime is 98190923. The next prime is 98190971. The reversal of 98190947 is 74909189.

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

It is an interprime number because it is at equal distance from previous prime (98190923) and next prime (98190971).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98190947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98190247) 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, 2429 + ... + 14222.

It is an arithmetic number, because the mean of its divisors is an integer number (24553374).

Almost surely, 2^98190947 is an apocalyptic number.

98190947 is a deficient number, since it is larger than the sum of its proper divisors (22549).

98190947 is a wasteful number, since it uses less digits than its factorization.

98190947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22548.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 98190947 is about 9909.1345232568. The cubic root of 98190947 is about 461.3428733651.

The spelling of 98190947 in words is "ninety-eight million, one hundred ninety thousand, nine hundred forty-seven".