3234991 has 4 divisors (see below), whose sum is σ = 3242800. Its totient is φ = 3227184.

The previous prime is 3234983. The next prime is 3235007. The reversal of 3234991 is 1994323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1994323 = 31 ⋅64333.

It is a cyclic number.

It is not a de Polignac number, because 3234991 - 2³ = 3234983 is a prime.

It is a super-3 number, since 3×3234991³ (a number of 21 digits) contains 333 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 (3234901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3246 + ... + 4123.

It is an arithmetic number, because the mean of its divisors is an integer number (810700).

Almost surely, 2^3234991 is an apocalyptic number.

3234991 is a deficient number, since it is larger than the sum of its proper divisors (7809).

3234991 is an equidigital number, since it uses as much as digits as its factorization.

3234991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7808.

The product of its digits is 5832, while the sum is 31.

The square root of 3234991 is about 1798.6080729275. The cubic root of 3234991 is about 147.8964304614.

It can be divided in two parts, 3234 and 991, that added together give a square (4225 = 65²).

The spelling of 3234991 in words is "three million, two hundred thirty-four thousand, nine hundred ninety-one".