3394740 has 48 divisors (see below), whose sum is σ = 9838080. Its totient is φ = 873600.

The previous prime is 3394739. The next prime is 3394757. The reversal of 3394740 is 474933.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3394698 and 3394707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 765 + ... + 2715.

It is an arithmetic number, because the mean of its divisors is an integer number (204960).

Almost surely, 2^3394740 is an apocalyptic number.

3394740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3394740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4919040).

3394740 is an abundant number, since it is smaller than the sum of its proper divisors (6443340).

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

3394740 is a wasteful number, since it uses less digits than its factorization.

3394740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992 (or 1990 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 3394740 is about 1842.4820216219. The cubic root of 3394740 is about 150.2918761316.

The spelling of 3394740 in words is "three million, three hundred ninety-four thousand, seven hundred forty".