39800828 has 6 divisors (see below), whose sum is σ = 69651456. Its totient is φ = 19900412.

The previous prime is 39800821. The next prime is 39800857. The reversal of 39800828 is 82800893.

It is a junction number, because it is equal to n+sod(n) for n = 39800791 and 39800800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39800821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4975100 + ... + 4975107.

It is an arithmetic number, because the mean of its divisors is an integer number (11608576).

Almost surely, 2^39800828 is an apocalyptic number.

It is an amenable number.

39800828 is a deficient number, since it is larger than the sum of its proper divisors (29850628).

39800828 is a wasteful number, since it uses less digits than its factorization.

39800828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9950211 (or 9950209 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 39800828 is about 6308.7897413054. The cubic root of 39800828 is about 341.4266123680.

The spelling of 39800828 in words is "thirty-nine million, eight hundred thousand, eight hundred twenty-eight".