39390086 has 8 divisors (see below), whose sum is σ = 59209920. Its totient is φ = 19653448.

The previous prime is 39389989. The next prime is 39390167. The reversal of 39390086 is 68009393.

It is a happy number.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19601 + ... + 21516.

It is an arithmetic number, because the mean of its divisors is an integer number (7401240).

Almost surely, 2^39390086 is an apocalyptic number.

39390086 is a deficient number, since it is larger than the sum of its proper divisors (19819834).

39390086 is a wasteful number, since it uses less digits than its factorization.

39390086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41598.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 39390086 is about 6276.1521651407. The cubic root of 39390086 is about 340.2480485182.

The spelling of 39390086 in words is "thirty-nine million, three hundred ninety thousand, eighty-six".