39116220 has 192 divisors, whose sum is σ = 132765696. Its totient is φ = 8478720.

The previous prime is 39116219. The next prime is 39116237. The reversal of 39116220 is 2261193.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 403212 + ... + 403308.

It is an arithmetic number, because the mean of its divisors is an integer number (691488).

Almost surely, 2^39116220 is an apocalyptic number.

39116220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39116220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66382848).

39116220 is an abundant number, since it is smaller than the sum of its proper divisors (93649476).

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

39116220 is a wasteful number, since it uses less digits than its factorization.

39116220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 39116220 is about 6254.2961234659. The cubic root of 39116220 is about 339.4576705764.

The spelling of 39116220 in words is "thirty-nine million, one hundred sixteen thousand, two hundred twenty".