39428195 has 8 divisors (see below), whose sum is σ = 47616144. Its totient is φ = 31341024.

The previous prime is 39428177. The next prime is 39428201. The reversal of 39428195 is 59182493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39428195 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24329 + ... + 25898.

It is an arithmetic number, because the mean of its divisors is an integer number (5952018).

Almost surely, 2^39428195 is an apocalyptic number.

39428195 is a deficient number, since it is larger than the sum of its proper divisors (8187949).

39428195 is a wasteful number, since it uses less digits than its factorization.

39428195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50389.

The product of its digits is 77760, while the sum is 41.

The square root of 39428195 is about 6279.1874474330. The cubic root of 39428195 is about 340.3577405316.

The spelling of 39428195 in words is "thirty-nine million, four hundred twenty-eight thousand, one hundred ninety-five".