86396442 has 32 divisors (see below), whose sum is σ = 194586624. Its totient is φ = 25335600.

The previous prime is 86396437. The next prime is 86396467. The reversal of 86396442 is 24469368.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 86396394 and 86396403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19068 + ... + 23159.

It is an arithmetic number, because the mean of its divisors is an integer number (6080832).

Almost surely, 2^86396442 is an apocalyptic number.

86396442 is an abundant number, since it is smaller than the sum of its proper divisors (108190182).

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

86396442 is a wasteful number, since it uses less digits than its factorization.

86396442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42274.

The product of its digits is 248832, while the sum is 42.

The square root of 86396442 is about 9294.9686390003. The cubic root of 86396442 is about 442.0777113350.

The spelling of 86396442 in words is "eighty-six million, three hundred ninety-six thousand, four hundred forty-two".