98908487 has 4 divisors (see below), whose sum is σ = 103208880. Its totient is φ = 94608096.

The previous prime is 98908457. The next prime is 98908493. The reversal of 98908487 is 78480989.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78480989 = 29 ⋅2706241.

It is a cyclic number.

It is not a de Polignac number, because 98908487 - 2¹⁰ = 98907463 is a prime.

It is a Duffinian number.

98908487 is a modest number, since divided by 8487 gives 989 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98908417) 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, 2150162 + ... + 2150207.

It is an arithmetic number, because the mean of its divisors is an integer number (25802220).

Almost surely, 2^98908487 is an apocalyptic number.

98908487 is a deficient number, since it is larger than the sum of its proper divisors (4300393).

98908487 is a wasteful number, since it uses less digits than its factorization.

98908487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300392.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The square root of 98908487 is about 9945.2746065657. The cubic root of 98908487 is about 462.4639165421.

The spelling of 98908487 in words is "ninety-eight million, nine hundred eight thousand, four hundred eighty-seven".