2379985 has 4 divisors (see below), whose sum is σ = 2855988. Its totient is φ = 1903984.

The previous prime is 2379973. The next prime is 2379989. The reversal of 2379985 is 5899732.

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 294849 + 2085136 = 543^2 + 1444^2 .

It is a cyclic number.

It is not a de Polignac number, because 2379985 - 2⁵ = 2379953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2379989) 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, 237994 + ... + 238003.

It is an arithmetic number, because the mean of its divisors is an integer number (713997).

2^2379985 is an apocalyptic number.

It is an amenable number.

2379985 is a deficient number, since it is larger than the sum of its proper divisors (476003).

2379985 is an equidigital number, since it uses as much as digits as its factorization.

2379985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476002.

The product of its digits is 136080, while the sum is 43.

The square root of 2379985 is about 1542.7200005186. The cubic root of 2379985 is about 133.5133644455.

It can be divided in two parts, 2379 and 985, that added together give a square (3364 = 58²).

The spelling of 2379985 in words is "two million, three hundred seventy-nine thousand, nine hundred eighty-five".