3434728 has 32 divisors (see below), whose sum is σ = 7335360. Its totient is φ = 1492480.

The previous prime is 3434719. The next prime is 3434729. The reversal of 3434728 is 8274343.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3434728.

It is not an unprimeable number, because it can be changed into a prime (3434729) 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, 1176 + ... + 2872.

It is an arithmetic number, because the mean of its divisors is an integer number (229230).

Almost surely, 2^3434728 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 3434728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3667680).

3434728 is an abundant number, since it is smaller than the sum of its proper divisors (3900632).

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

3434728 is a wasteful number, since it uses less digits than its factorization.

3434728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737 (or 1733 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 3434728 is about 1853.3019181990. The cubic root of 3434728 is about 150.8796901424.

The spelling of 3434728 in words is "three million, four hundred thirty-four thousand, seven hundred twenty-eight".