2361979 has 4 divisors (see below), whose sum is σ = 2370784. Its totient is φ = 2353176.

The previous prime is 2361977. The next prime is 2361991. The reversal of 2361979 is 9791632.

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

It is a cyclic number.

It is not a de Polignac number, because 2361979 - 2¹ = 2361977 is a prime.

It is a super-4 number, since 4×2361979⁴ (a number of 27 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2361977) 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, 3987 + ... + 4540.

It is an arithmetic number, because the mean of its divisors is an integer number (592696).

2^2361979 is an apocalyptic number.

2361979 is a deficient number, since it is larger than the sum of its proper divisors (8805).

2361979 is an equidigital number, since it uses as much as digits as its factorization.

2361979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8804.

The product of its digits is 20412, while the sum is 37.

The square root of 2361979 is about 1536.8731242364. The cubic root of 2361979 is about 133.1758091081.

The spelling of 2361979 in words is "two million, three hundred sixty-one thousand, nine hundred seventy-nine".