3491838 has 72 divisors (see below), whose sum is σ = 9123192. Its totient is φ = 961632.

The previous prime is 3491827. The next prime is 3491843. The reversal of 3491838 is 8381943.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32581 + ... + 32687.

It is an arithmetic number, because the mean of its divisors is an integer number (126711).

Almost surely, 2^3491838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3491838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4561596).

3491838 is an abundant number, since it is smaller than the sum of its proper divisors (5631354).

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

3491838 is a wasteful number, since it uses less digits than its factorization.

3491838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 156 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 3491838 is about 1868.6460338973. The cubic root of 3491838 is about 151.7113346409.

It can be divided in two parts, 349 and 1838, that added together give a 7-th power (2187 = 3⁷).

The spelling of 3491838 in words is "three million, four hundred ninety-one thousand, eight hundred thirty-eight".