86946998 has 4 divisors (see below), whose sum is σ = 130420500. Its totient is φ = 43473498.

The previous prime is 86946997. The next prime is 86947001. The reversal of 86946998 is 89964968.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×86946998² = 15119560922424008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86946991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21736748 + ... + 21736751.

It is an arithmetic number, because the mean of its divisors is an integer number (32605125).

Almost surely, 2^86946998 is an apocalyptic number.

86946998 is a deficient number, since it is larger than the sum of its proper divisors (43473502).

86946998 is a wasteful number, since it uses less digits than its factorization.

86946998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43473501.

The product of its digits is 6718464, while the sum is 59.

The square root of 86946998 is about 9324.5374147997. The cubic root of 86946998 is about 443.0147613668.

The spelling of 86946998 in words is "eighty-six million, nine hundred forty-six thousand, nine hundred ninety-eight".