39085290 has 36 divisors (see below), whose sum is σ = 101776194. Its totient is φ = 10406928.

The previous prime is 39085289. The next prime is 39085297. The reversal of 39085290 is 9258093.

It can be written as a sum of positive squares in only one way, i.e., 35176761 + 3908529 = 5931^2 + 1977^2 .

It is not an unprimeable number, because it can be changed into a prime (39085297) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 58981 + ... + 59639.

Almost surely, 2^39085290 is an apocalyptic number.

39085290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39085290 is an abundant number, since it is smaller than the sum of its proper divisors (62690904).

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

39085290 is an equidigital number, since it uses as much as digits as its factorization.

39085290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 39085290 is about 6251.8229341529. The cubic root of 39085290 is about 339.3681749286.

The spelling of 39085290 in words is "thirty-nine million, eighty-five thousand, two hundred ninety".