7850965 has 4 divisors (see below), whose sum is σ = 9421164. Its totient is φ = 6280768.

The previous prime is 7850963. The next prime is 7850987. The reversal of 7850965 is 5690587.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1085764 + 6765201 = 1042^2 + 2601^2 .

It is a cyclic number.

It is not a de Polignac number, because 7850965 - 2¹ = 7850963 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7850963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785092 + ... + 785101.

It is an arithmetic number, because the mean of its divisors is an integer number (2355291).

Almost surely, 2^7850965 is an apocalyptic number.

It is an amenable number.

7850965 is a deficient number, since it is larger than the sum of its proper divisors (1570199).

7850965 is a wasteful number, since it uses less digits than its factorization.

7850965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570198.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 7850965 is about 2801.9573515669. The cubic root of 7850965 is about 198.7502485394.

The spelling of 7850965 in words is "seven million, eight hundred fifty thousand, nine hundred sixty-five".