39087866 has 8 divisors (see below), whose sum is σ = 58688724. Its totient is φ = 19524960.

The previous prime is 39087803. The next prime is 39087877. The reversal of 39087866 is 66878093.

It can be written as a sum of positive squares in 2 ways, for example, as 36348841 + 2739025 = 6029^2 + 1655^2 .

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

It is a super-2 number, since 2×39087866² = 3055722536867912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39087866.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6755 + ... + 11126.

Almost surely, 2^39087866 is an apocalyptic number.

39087866 is a deficient number, since it is larger than the sum of its proper divisors (19600858).

39087866 is a wasteful number, since it uses less digits than its factorization.

39087866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18976.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 39087866 is about 6252.0289506687. The cubic root of 39087866 is about 339.3756303610.

The spelling of 39087866 in words is "thirty-nine million, eighty-seven thousand, eight hundred sixty-six".