86849738 has 4 divisors (see below), whose sum is σ = 130274610. Its totient is φ = 43424868.

The previous prime is 86849729. The next prime is 86849747. The reversal of 86849738 is 83794868.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (86849729) and next prime (86849747).

It can be written as a sum of positive squares in only one way, i.e., 70341769 + 16507969 = 8387^2 + 4063^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 86849738.

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 as a sum of consecutive naturals, namely, 21712433 + ... + 21712436.

Almost surely, 2^86849738 is an apocalyptic number.

86849738 is a deficient number, since it is larger than the sum of its proper divisors (43424872).

86849738 is a wasteful number, since it uses less digits than its factorization.

86849738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43424871.

The product of its digits is 2322432, while the sum is 53.

The square root of 86849738 is about 9319.3206833975. The cubic root of 86849738 is about 442.8495124497.

The spelling of 86849738 in words is "eighty-six million, eight hundred forty-nine thousand, seven hundred thirty-eight".