3444991 has 12 divisors (see below), whose sum is σ = 3849552. Its totient is φ = 3080000.

The previous prime is 3444989. The next prime is 3445003. The reversal of 3444991 is 1994443.

It is not a de Polignac number, because 3444991 - 2¹ = 3444989 is a prime.

It is a Duffinian number.

3444991 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3444901) 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 11 ways as a sum of consecutive naturals, for example, 8391 + ... + 8791.

It is an arithmetic number, because the mean of its divisors is an integer number (320796).

Almost surely, 2^3444991 is an apocalyptic number.

3444991 is a deficient number, since it is larger than the sum of its proper divisors (404561).

3444991 is a wasteful number, since it uses less digits than its factorization.

3444991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 483 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 3444991 is about 1856.0686948494. The cubic root of 3444991 is about 151.0298173651.

It can be divided in two parts, 344 and 4991, that added together give a palindrome (5335).

The spelling of 3444991 in words is "three million, four hundred forty-four thousand, nine hundred ninety-one".