86289634 has 4 divisors (see below), whose sum is σ = 129434454. Its totient is φ = 43144816.

The previous prime is 86289611. The next prime is 86289641. The reversal of 86289634 is 43698268.

It is a happy number.

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., 83777409 + 2512225 = 9153^2 + 1585^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21572407 + ... + 21572410.

Almost surely, 2^86289634 is an apocalyptic number.

86289634 is a deficient number, since it is larger than the sum of its proper divisors (43144820).

86289634 is a wasteful number, since it uses less digits than its factorization.

86289634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43144819.

The product of its digits is 497664, while the sum is 46.

The square root of 86289634 is about 9289.2213882542. The cubic root of 86289634 is about 441.8954626757.

The spelling of 86289634 in words is "eighty-six million, two hundred eighty-nine thousand, six hundred thirty-four".