86464242 has 12 divisors (see below), whose sum is σ = 187339230. Its totient is φ = 28821408.

The previous prime is 86464241. The next prime is 86464247. The reversal of 86464242 is 24246468.

It is a happy number.

86464242 is a `hidden beast` number, since 8 + 6 + 4 + 642 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 70711281 + 15752961 = 8409^2 + 3969^2 .

It is a junction number, because it is equal to n+sod(n) for n = 86464197 and 86464206.

It is not an unprimeable number, because it can be changed into a prime (86464241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2401767 + ... + 2401802.

Almost surely, 2^86464242 is an apocalyptic number.

86464242 is an abundant number, since it is smaller than the sum of its proper divisors (100874988).

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

86464242 is a wasteful number, since it uses less digits than its factorization.

86464242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4803577 (or 4803574 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 86464242 is about 9298.6150581686. The cubic root of 86464242 is about 442.1933219284.

The spelling of 86464242 in words is "eighty-six million, four hundred sixty-four thousand, two hundred forty-two".