2645967 has 8 divisors (see below), whose sum is σ = 3562624. Its totient is φ = 1746648.

The previous prime is 2645941. The next prime is 2645971. The reversal of 2645967 is 7695462.

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

It is not a de Polignac number, because 2645967 - 2⁸ = 2645711 is a prime.

It is a super-2 number, since 2×2645967² = 14002282730178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3973 + ... + 4590.

It is an arithmetic number, because the mean of its divisors is an integer number (445328).

2^2645967 is an apocalyptic number.

2645967 is a deficient number, since it is larger than the sum of its proper divisors (916657).

2645967 is a wasteful number, since it uses less digits than its factorization.

2645967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8669.

The product of its digits is 90720, while the sum is 39.

The square root of 2645967 is about 1626.6428618477. The cubic root of 2645967 is about 138.3125137616.

The spelling of 2645967 in words is "two million, six hundred forty-five thousand, nine hundred sixty-seven".