86340842 has 12 divisors (see below), whose sum is σ = 150656130. Its totient is φ = 37003176.

The previous prime is 86340817. The next prime is 86340851. The reversal of 86340842 is 24804368.

It can be written as a sum of positive squares in only one way, i.e., 54745201 + 31595641 = 7399^2 + 5621^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 440417 + ... + 440612.

Almost surely, 2^86340842 is an apocalyptic number.

86340842 is a deficient number, since it is larger than the sum of its proper divisors (64315288).

86340842 is a wasteful number, since it uses less digits than its factorization.

86340842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881045 (or 881038 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 86340842 is about 9291.9772922667. The cubic root of 86340842 is about 441.9828586816.

The spelling of 86340842 in words is "eighty-six million, three hundred forty thousand, eight hundred forty-two".