86969438 has 8 divisors (see below), whose sum is σ = 130559688. Its totient is φ = 43449544.

The previous prime is 86969431. The next prime is 86969453. The reversal of 86969438 is 83496968.

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

It is a self number, because there is not a number n which added to its sum of digits gives 86969438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86969431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14381 + ... + 19512.

It is an arithmetic number, because the mean of its divisors is an integer number (16319961).

Almost surely, 2^86969438 is an apocalyptic number.

86969438 is a deficient number, since it is larger than the sum of its proper divisors (43590250).

86969438 is a wasteful number, since it uses less digits than its factorization.

86969438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35178.

The product of its digits is 2239488, while the sum is 53.

The square root of 86969438 is about 9325.7406140210. The cubic root of 86969438 is about 443.0528703924.

It can be divided in two parts, 869 and 69438, that added together give a palindrome (70307).

The spelling of 86969438 in words is "eighty-six million, nine hundred sixty-nine thousand, four hundred thirty-eight".