98862891 has 32 divisors (see below), whose sum is σ = 139392000. Its totient is φ = 62270208.

The previous prime is 98862889. The next prime is 98862893. The reversal of 98862891 is 19826889.

98862891 is a nontrivial binomial coefficient, being equal to C(14062, 2).

It is an interprime number because it is at equal distance from previous prime (98862889) and next prime (98862893).

It is not a de Polignac number, because 98862891 - 2¹ = 98862889 is a prime.

It is a super-5 number, since 5×98862891⁵ (a number of 41 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (98862893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 906945 + ... + 907053.

It is an arithmetic number, because the mean of its divisors is an integer number (4356000).

Almost surely, 2^98862891 is an apocalyptic number.

98862891 is the 14061-st triangular number and also the 7031-st hexagonal number.

98862891 is a deficient number, since it is larger than the sum of its proper divisors (40529109).

98862891 is a wasteful number, since it uses less digits than its factorization.

98862891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323.

The product of its digits is 497664, while the sum is 51.

The square root of 98862891 is about 9942.9819973688. The cubic root of 98862891 is about 462.3928415972.

The spelling of 98862891 in words is "ninety-eight million, eight hundred sixty-two thousand, eight hundred ninety-one".