98670731 has 4 divisors (see below), whose sum is σ = 102073200. Its totient is φ = 95268264.

The previous prime is 98670727. The next prime is 98670739. The reversal of 98670731 is 13707689.

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 98670731 - 2² = 98670727 is a prime.

It is a super-2 number, since 2×98670731² = 19471826312148722, which contains 22 as substring.

It is a Duffinian number.

98670731 is a modest number, since divided by 70731 gives 986 as remainder.

It is not an unprimeable number, because it can be changed into a prime (98670739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1701191 + ... + 1701248.

It is an arithmetic number, because the mean of its divisors is an integer number (25518300).

Almost surely, 2^98670731 is an apocalyptic number.

98670731 is a deficient number, since it is larger than the sum of its proper divisors (3402469).

98670731 is a wasteful number, since it uses less digits than its factorization.

98670731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402468.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 98670731 is about 9933.3142002053. The cubic root of 98670731 is about 462.0930626543.

It can be divided in two parts, 986 and 70731, that added together give a palindrome (71717).

The spelling of 98670731 in words is "ninety-eight million, six hundred seventy thousand, seven hundred thirty-one".