86589642 has 16 divisors (see below), whose sum is σ = 173270592. Its totient is φ = 28848000.

The previous prime is 86589599. The next prime is 86589647. The reversal of 86589642 is 24698568.

It is a happy number.

It is a super-2 number, since 2×86589642² = 14995532203376328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86589591 and 86589600.

It is not an unprimeable number, because it can be changed into a prime (86589647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19642 + ... + 23642.

It is an arithmetic number, because the mean of its divisors is an integer number (10829412).

Almost surely, 2^86589642 is an apocalyptic number.

86589642 is an abundant number, since it is smaller than the sum of its proper divisors (86680950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86589642 is a wasteful number, since it uses less digits than its factorization.

86589642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7613.

The product of its digits is 829440, while the sum is 48.

The square root of 86589642 is about 9305.3555547330. The cubic root of 86589642 is about 442.4069912087.

The spelling of 86589642 in words is "eighty-six million, five hundred eighty-nine thousand, six hundred forty-two".