39121086 has 16 divisors (see below), whose sum is σ = 78712704. Its totient is φ = 12961944.

The previous prime is 39121051. The next prime is 39121129. The reversal of 39121086 is 68012193.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18520 + ... + 20523.

It is an arithmetic number, because the mean of its divisors is an integer number (4919544).

Almost surely, 2^39121086 is an apocalyptic number.

39121086 is an abundant number, since it is smaller than the sum of its proper divisors (39591618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39121086 is a wasteful number, since it uses less digits than its factorization.

39121086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39215.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 39121086 is about 6254.6851239691. The cubic root of 39121086 is about 339.4717460037.

The spelling of 39121086 in words is "thirty-nine million, one hundred twenty-one thousand, eighty-six".