98157986 has 8 divisors (see below), whose sum is σ = 148755180. Its totient is φ = 48572928.

The previous prime is 98157979. The next prime is 98157989. The reversal of 98157986 is 68975189.

It can be written as a sum of positive squares in 2 ways, for example, as 87142225 + 11015761 = 9335^2 + 3319^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (98157989) 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, 252791 + ... + 253178.

Almost surely, 2^98157986 is an apocalyptic number.

98157986 is a deficient number, since it is larger than the sum of its proper divisors (50597194).

98157986 is a wasteful number, since it uses less digits than its factorization.

98157986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506068.

The product of its digits is 1088640, while the sum is 53.

The square root of 98157986 is about 9907.4712212552. The cubic root of 98157986 is about 461.2912459842.

The spelling of 98157986 in words is "ninety-eight million, one hundred fifty-seven thousand, nine hundred eighty-six".