3394872 has 120 divisors (see below), whose sum is σ = 10628640. Its totient is φ = 1010880.

The previous prime is 3394871. The next prime is 3394873. The reversal of 3394872 is 2784933.

It is an interprime number because it is at equal distance from previous prime (3394871) and next prime (3394873).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3394871) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 109497 + ... + 109527.

It is an arithmetic number, because the mean of its divisors is an integer number (88572).

Almost surely, 2^3394872 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 3394872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5314320).

3394872 is an abundant number, since it is smaller than the sum of its proper divisors (7233768).

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

3394872 is a wasteful number, since it uses less digits than its factorization.

3394872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 49 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 3394872 is about 1842.5178425188. The cubic root of 3394872 is about 150.2938240736.

The spelling of 3394872 in words is "three million, three hundred ninety-four thousand, eight hundred seventy-two".