2979365 has 4 divisors (see below), whose sum is σ = 3575244. Its totient is φ = 2383488.

The previous prime is 2979359. The next prime is 2979367. The reversal of 2979365 is 5639792.

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 1044484 + 1934881 = 1022^2 + 1391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2979365 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2979367) 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, 297932 + ... + 297941.

It is an arithmetic number, because the mean of its divisors is an integer number (893811).

2^2979365 is an apocalyptic number.

It is an amenable number.

2979365 is a deficient number, since it is larger than the sum of its proper divisors (595879).

2979365 is an equidigital number, since it uses as much as digits as its factorization.

2979365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595878.

The product of its digits is 102060, while the sum is 41.

The square root of 2979365 is about 1726.0837175525. The cubic root of 2979365 is about 143.8935201777.

It can be divided in two parts, 29 and 79365, that multiplied together give a triangular number (2301585 = T₂₁₄₅).

The spelling of 2979365 in words is "two million, nine hundred seventy-nine thousand, three hundred sixty-five".