39428835 has 16 divisors (see below), whose sum is σ = 65262240. Its totient is φ = 20303360.

The previous prime is 39428813. The next prime is 39428861. The reversal of 39428835 is 53882493.

39428835 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39428835 - 2⁶ = 39428771 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44886 + ... + 45755.

It is an arithmetic number, because the mean of its divisors is an integer number (4078890).

Almost surely, 2^39428835 is an apocalyptic number.

39428835 is a deficient number, since it is larger than the sum of its proper divisors (25833405).

39428835 is a wasteful number, since it uses less digits than its factorization.

39428835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90678.

The product of its digits is 207360, while the sum is 42.

The square root of 39428835 is about 6279.2384092340. The cubic root of 39428835 is about 340.3595820884.

The spelling of 39428835 in words is "thirty-nine million, four hundred twenty-eight thousand, eight hundred thirty-five".