42396965 has 8 divisors (see below), whose sum is σ = 54790008. Its totient is φ = 31308480.

The previous prime is 42396953. The next prime is 42396973. The reversal of 42396965 is 56969324.

42396965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3844 + 42393121 = 62^2 + 6511^2 .

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

It is not a de Polignac number, because 42396965 - 2⁶ = 42396901 is a prime.

It is a super-2 number, since 2×42396965² = 3595005282422450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 326066 + ... + 326195.

It is an arithmetic number, because the mean of its divisors is an integer number (6848751).

Almost surely, 2^42396965 is an apocalyptic number.

It is an amenable number.

42396965 is a deficient number, since it is larger than the sum of its proper divisors (12393043).

42396965 is a wasteful number, since it uses less digits than its factorization.

42396965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652279.

The product of its digits is 349920, while the sum is 44.

The square root of 42396965 is about 6511.2951860594. The cubic root of 42396965 is about 348.6943599866.

The spelling of 42396965 in words is "forty-two million, three hundred ninety-six thousand, nine hundred sixty-five".