2609667 has 12 divisors (see below), whose sum is σ = 3841344. Its totient is φ = 1706640.

The previous prime is 2609657. The next prime is 2609671. The reversal of 2609667 is 7669062.

It is not a de Polignac number, because 2609667 - 2⁷ = 2609539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2609657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2259 + ... + 3212.

It is an arithmetic number, because the mean of its divisors is an integer number (320112).

2^2609667 is an apocalyptic number.

2609667 is a deficient number, since it is larger than the sum of its proper divisors (1231677).

2609667 is a wasteful number, since it uses less digits than its factorization.

2609667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530 (or 5527 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 2609667 is about 1615.4463779402. The cubic root of 2609667 is about 137.6770963246.

The spelling of 2609667 in words is "two million, six hundred nine thousand, six hundred sixty-seven".