2379665 has 4 divisors (see below), whose sum is σ = 2855604. Its totient is φ = 1903728.

The previous prime is 2379659. The next prime is 2379673. The reversal of 2379665 is 5669732.

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 394384 + 1985281 = 628^2 + 1409^2 .

It is a cyclic number.

It is not a de Polignac number, because 2379665 - 2¹⁰ = 2378641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237962 + ... + 237971.

It is an arithmetic number, because the mean of its divisors is an integer number (713901).

2^2379665 is an apocalyptic number.

It is an amenable number.

2379665 is a deficient number, since it is larger than the sum of its proper divisors (475939).

2379665 is an equidigital number, since it uses as much as digits as its factorization.

2379665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475938.

The product of its digits is 68040, while the sum is 38.

The square root of 2379665 is about 1542.6162841096. The cubic root of 2379665 is about 133.5073803473.

The spelling of 2379665 in words is "two million, three hundred seventy-nine thousand, six hundred sixty-five".