2979385 has 4 divisors (see below), whose sum is σ = 3575268. Its totient is φ = 2383504.

The previous prime is 2979367. The next prime is 2979391. The reversal of 2979385 is 5839792.

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 1510441 + 1468944 = 1229^2 + 1212^2 .

It is a cyclic number.

It is not a de Polignac number, because 2979385 - 2¹³ = 2971193 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297934 + ... + 297943.

It is an arithmetic number, because the mean of its divisors is an integer number (893817).

2^2979385 is an apocalyptic number.

It is an amenable number.

2979385 is a deficient number, since it is larger than the sum of its proper divisors (595883).

2979385 is an equidigital number, since it uses as much as digits as its factorization.

2979385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595882.

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

The square root of 2979385 is about 1726.0895110046. The cubic root of 2979385 is about 143.8938421550.

It can be divided in two parts, 2979 and 385, that added together give a square (3364 = 58²).

The spelling of 2979385 in words is "two million, nine hundred seventy-nine thousand, three hundred eighty-five".