86993746 has 8 divisors (see below), whose sum is σ = 149132160. Its totient is φ = 37283028.

The previous prime is 86993737. The next prime is 86993749. The reversal of 86993746 is 64739968.

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

It is a super-2 number, since 2×86993746² = 15135823686225032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86993693 and 86993702.

It is not an unprimeable number, because it can be changed into a prime (86993749) 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, 3106906 + ... + 3106933.

It is an arithmetic number, because the mean of its divisors is an integer number (18641520).

Almost surely, 2^86993746 is an apocalyptic number.

86993746 is a deficient number, since it is larger than the sum of its proper divisors (62138414).

86993746 is a wasteful number, since it uses less digits than its factorization.

86993746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6213848.

The product of its digits is 1959552, while the sum is 52.

The square root of 86993746 is about 9327.0437974741. The cubic root of 86993746 is about 443.0941443778.

The spelling of 86993746 in words is "eighty-six million, nine hundred ninety-three thousand, seven hundred forty-six".