2665346 has 4 divisors (see below), whose sum is σ = 3998022. Its totient is φ = 1332672.

The previous prime is 2665343. The next prime is 2665357. The reversal of 2665346 is 6435662.

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

It can be written as a sum of positive squares in only one way, i.e., 2608225 + 57121 = 1615^2 + 239^2 .

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2665343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666335 + ... + 666338.

2^2665346 is an apocalyptic number.

2665346 is a deficient number, since it is larger than the sum of its proper divisors (1332676).

2665346 is a wasteful number, since it uses less digits than its factorization.

2665346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332675.

The product of its digits is 25920, while the sum is 32.

The square root of 2665346 is about 1632.5887418453. The cubic root of 2665346 is about 138.6493586118.

The spelling of 2665346 in words is "two million, six hundred sixty-five thousand, three hundred forty-six".