3266991 has 24 divisors (see below), whose sum is σ = 5809440. Its totient is φ = 1722816.

The previous prime is 3266957. The next prime is 3266999. The reversal of 3266991 is 1996623.

It is not a de Polignac number, because 3266991 - 2⁶ = 3266927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3266999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1176 + ... + 2813.

It is an arithmetic number, because the mean of its divisors is an integer number (242060).

Almost surely, 2^3266991 is an apocalyptic number.

3266991 is a deficient number, since it is larger than the sum of its proper divisors (2542449).

3266991 is a wasteful number, since it uses less digits than its factorization.

3266991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015 (or 4012 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 3266991 is about 1807.4819501173. The cubic root of 3266991 is about 148.3824870415.

The spelling of 3266991 in words is "three million, two hundred sixty-six thousand, nine hundred ninety-one".