86969390 has 8 divisors (see below), whose sum is σ = 156544920. Its totient is φ = 34787752.

The previous prime is 86969359. The next prime is 86969401. The reversal of 86969390 is 9396968.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4348460 + ... + 4348479.

It is an arithmetic number, because the mean of its divisors is an integer number (19568115).

Almost surely, 2^86969390 is an apocalyptic number.

86969390 is a deficient number, since it is larger than the sum of its proper divisors (69575530).

86969390 is a wasteful number, since it uses less digits than its factorization.

86969390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8696946.

The product of its (nonzero) digits is 629856, while the sum is 50.

The square root of 86969390 is about 9325.7380404985. The cubic root of 86969390 is about 443.0527888828.

The spelling of 86969390 in words is "eighty-six million, nine hundred sixty-nine thousand, three hundred ninety".