3491004 has 48 divisors (see below), whose sum is σ = 9072000. Its totient is φ = 1035840.

The previous prime is 3490973. The next prime is 3491011. The reversal of 3491004 is 4001943.

3491004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6747 + ... + 7245.

It is an arithmetic number, because the mean of its divisors is an integer number (189000).

Almost surely, 2^3491004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3491004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4536000).

3491004 is an abundant number, since it is smaller than the sum of its proper divisors (5580996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3491004 is a wasteful number, since it uses less digits than its factorization.

3491004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 3491004 is about 1868.4228643431. The cubic root of 3491004 is about 151.6992552978.

Adding to 3491004 its reverse (4001943), we get a palindrome (7492947).

The spelling of 3491004 in words is "three million, four hundred ninety-one thousand, four".