2664026 has 8 divisors (see below), whose sum is σ = 4009824. Its totient is φ = 1327420.

The previous prime is 2664023. The next prime is 2664029. The reversal of 2664026 is 6204662.

It is an interprime number because it is at equal distance from previous prime (2664023) and next prime (2664029).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2663986 and 2664004.

It is not an unprimeable number, because it can be changed into a prime (2664023) 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, 1520 + ... + 2763.

It is an arithmetic number, because the mean of its divisors is an integer number (501228).

2^2664026 is an apocalyptic number.

2664026 is a deficient number, since it is larger than the sum of its proper divisors (1345798).

2664026 is a wasteful number, since it uses less digits than its factorization.

2664026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4596.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2664026 is about 1632.1844258539. The cubic root of 2664026 is about 138.6264663526.

Adding to 2664026 its reverse (6204662), we get a palindrome (8868688).

It can be divided in two parts, 266 and 4026, that multiplied together give a triangular number (1070916 = T₁₄₆₃).

The spelling of 2664026 in words is "two million, six hundred sixty-four thousand, twenty-six".