86193390 has 16 divisors (see below), whose sum is σ = 206864208. Its totient is φ = 22984896.

The previous prime is 86193377. The next prime is 86193391. The reversal of 86193390 is 9339168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86193391) 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, 1436527 + ... + 1436586.

It is an arithmetic number, because the mean of its divisors is an integer number (12929013).

Almost surely, 2^86193390 is an apocalyptic number.

86193390 is an abundant number, since it is smaller than the sum of its proper divisors (120670818).

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

86193390 is a wasteful number, since it uses less digits than its factorization.

86193390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873123.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 86193390 is about 9284.0395302907. The cubic root of 86193390 is about 441.7311107262.

The spelling of 86193390 in words is "eighty-six million, one hundred ninety-three thousand, three hundred ninety".