86810446 has 4 divisors (see below), whose sum is σ = 130215672. Its totient is φ = 43405222.

The previous prime is 86810443. The next prime is 86810453. The reversal of 86810446 is 64401868.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86810443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21702610 + ... + 21702613.

It is an arithmetic number, because the mean of its divisors is an integer number (32553918).

Almost surely, 2^86810446 is an apocalyptic number.

86810446 is a deficient number, since it is larger than the sum of its proper divisors (43405226).

86810446 is a wasteful number, since it uses less digits than its factorization.

86810446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43405225.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 86810446 is about 9317.2123513420. The cubic root of 86810446 is about 442.7827186663.

The spelling of 86810446 in words is "eighty-six million, eight hundred ten thousand, four hundred forty-six".