3226991 has 4 divisors (see below), whose sum is σ = 3416832. Its totient is φ = 3037152.

The previous prime is 3226981. The next prime is 3226997. The reversal of 3226991 is 1996223.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3226991 - 2¹⁰ = 3225967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3226997) 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, 94895 + ... + 94928.

It is an arithmetic number, because the mean of its divisors is an integer number (854208).

Almost surely, 2^3226991 is an apocalyptic number.

3226991 is a deficient number, since it is larger than the sum of its proper divisors (189841).

3226991 is a wasteful number, since it uses less digits than its factorization.

3226991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189840.

The product of its digits is 5832, while the sum is 32.

The square root of 3226991 is about 1796.3827543149. The cubic root of 3226991 is about 147.7744158924.

The spelling of 3226991 in words is "three million, two hundred twenty-six thousand, nine hundred ninety-one".