86983418 has 4 divisors (see below), whose sum is σ = 130475130. Its totient is φ = 43491708.

The previous prime is 86983409. The next prime is 86983433. The reversal of 86983418 is 81438968.

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

It can be written as a sum of positive squares in only one way, i.e., 84400969 + 2582449 = 9187^2 + 1607^2 .

It is a super-2 number, since 2×86983418² = 15132230013925448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21745853 + ... + 21745856.

Almost surely, 2^86983418 is an apocalyptic number.

86983418 is a deficient number, since it is larger than the sum of its proper divisors (43491712).

86983418 is a wasteful number, since it uses less digits than its factorization.

86983418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43491711.

The product of its digits is 331776, while the sum is 47.

The square root of 86983418 is about 9326.4901222271. The cubic root of 86983418 is about 443.0766087976.

The spelling of 86983418 in words is "eighty-six million, nine hundred eighty-three thousand, four hundred eighteen".