2664829 has 2 divisors, whose sum is σ = 2664830. Its totient is φ = 2664828.

The previous prime is 2664817. The next prime is 2664847. The reversal of 2664829 is 9284662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2576025 + 88804 = 1605^2 + 298^2 .

It is a cyclic number.

It is not a de Polignac number, because 2664829 - 2¹⁵ = 2632061 is a prime.

2664829 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2664859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332414 + 1332415.

It is an arithmetic number, because the mean of its divisors is an integer number (1332415).

2^2664829 is an apocalyptic number.

It is an amenable number.

2664829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2664829 is an equidigital number, since it uses as much as digits as its factorization.

2664829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 37.

The square root of 2664829 is about 1632.4303966785. The cubic root of 2664829 is about 138.6403933776.

Adding to 2664829 its product of digits (41472), we get a triangular number (2706301 = T₂₃₂₆).

The spelling of 2664829 in words is "two million, six hundred sixty-four thousand, eight hundred twenty-nine".