86898964 has 12 divisors (see below), whose sum is σ = 157317300. Its totient is φ = 41951168.

The previous prime is 86898949. The next prime is 86898971. The reversal of 86898964 is 46989868.

It can be written as a sum of positive squares in 2 ways, for example, as 50296464 + 36602500 = 7092^2 + 6050^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a junction number, because it is equal to n+sod(n) for n = 86898899 and 86898908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374449 + ... + 374680.

It is an arithmetic number, because the mean of its divisors is an integer number (13109775).

Almost surely, 2^86898964 is an apocalyptic number.

It is an amenable number.

86898964 is a deficient number, since it is larger than the sum of its proper divisors (70418336).

86898964 is a wasteful number, since it uses less digits than its factorization.

86898964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749162 (or 749160 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 58.

The square root of 86898964 is about 9321.9613815978. The cubic root of 86898964 is about 442.9331649482.

The spelling of 86898964 in words is "eighty-six million, eight hundred ninety-eight thousand, nine hundred sixty-four".