39828772 has 6 divisors (see below), whose sum is σ = 69700358. Its totient is φ = 19914384.

The previous prime is 39828751. The next prime is 39828781. The reversal of 39828772 is 27782893.

It can be written as a sum of positive squares in only one way, i.e., 34739236 + 5089536 = 5894^2 + 2256^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4978593 + ... + 4978600.

Almost surely, 2^39828772 is an apocalyptic number.

It is an amenable number.

39828772 is a deficient number, since it is larger than the sum of its proper divisors (29871586).

39828772 is a wasteful number, since it uses less digits than its factorization.

39828772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9957197 (or 9957195 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 39828772 is about 6311.0040405628. The cubic root of 39828772 is about 341.5064984219.

The spelling of 39828772 in words is "thirty-nine million, eight hundred twenty-eight thousand, seven hundred seventy-two".