39085280 has 192 divisors, whose sum is σ = 111767040. Its totient is φ = 12773376.

The previous prime is 39085279. The next prime is 39085289. The reversal of 39085280 is 8258093.

It is a super-2 number, since 2×39085280² = 3055318225356800, 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 39085280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39085289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 908939 + ... + 908981.

It is an arithmetic number, because the mean of its divisors is an integer number (582120).

Almost surely, 2^39085280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39085280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55883520).

39085280 is an abundant number, since it is smaller than the sum of its proper divisors (72681760).

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

39085280 is a wasteful number, since it uses less digits than its factorization.

39085280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 39085280 is about 6251.8221343861. The cubic root of 39085280 is about 339.3681459861.

The spelling of 39085280 in words is "thirty-nine million, eighty-five thousand, two hundred eighty".