42858965 has 16 divisors (see below), whose sum is σ = 54707520. Its totient is φ = 32140800.

The previous prime is 42858961. The next prime is 42858967. The reversal of 42858965 is 56985824.

It is not a de Polignac number, because 42858965 - 2² = 42858961 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42858961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6890 + ... + 11540.

It is an arithmetic number, because the mean of its divisors is an integer number (3419220).

Almost surely, 2^42858965 is an apocalyptic number.

It is an amenable number.

42858965 is a deficient number, since it is larger than the sum of its proper divisors (11848555).

42858965 is a wasteful number, since it uses less digits than its factorization.

42858965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772.

The product of its digits is 691200, while the sum is 47.

The square root of 42858965 is about 6546.6758740601. The cubic root of 42858965 is about 349.9563619064.

The spelling of 42858965 in words is "forty-two million, eight hundred fifty-eight thousand, nine hundred sixty-five".