3834391 has 8 divisors (see below), whose sum is σ = 4262544. Its totient is φ = 3419520.

The previous prime is 3834377. The next prime is 3834407. The reversal of 3834391 is 1934383.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3834391 - 2¹¹ = 3832343 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3834301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2706 + ... + 3871.

It is an arithmetic number, because the mean of its divisors is an integer number (532818).

Almost surely, 2^3834391 is an apocalyptic number.

3834391 is a deficient number, since it is larger than the sum of its proper divisors (428153).

3834391 is a wasteful number, since it uses less digits than its factorization.

3834391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6641.

The product of its digits is 7776, while the sum is 31.

The square root of 3834391 is about 1958.1601058136. The cubic root of 3834391 is about 156.5184237276.

It can be divided in two parts, 3834 and 391, that added together give a square (4225 = 65²).

The spelling of 3834391 in words is "three million, eight hundred thirty-four thousand, three hundred ninety-one".