39828450 has 48 divisors (see below), whose sum is σ = 104591520. Its totient is φ = 9995520.

The previous prime is 39828443. The next prime is 39828473. The reversal of 39828450 is 5482893.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 39828399 and 39828408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5260 + ... + 10359.

It is an arithmetic number, because the mean of its divisors is an integer number (2178990).

Almost surely, 2^39828450 is an apocalyptic number.

39828450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39828450 is an abundant number, since it is smaller than the sum of its proper divisors (64763070).

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

39828450 is a wasteful number, since it uses less digits than its factorization.

39828450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15651 (or 15646 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 39828450 is about 6310.9785295151. The cubic root of 39828450 is about 341.5055781040.

The spelling of 39828450 in words is "thirty-nine million, eight hundred twenty-eight thousand, four hundred fifty".