3428380 has 48 divisors (see below), whose sum is σ = 7801920. Its totient is φ = 1261568.

The previous prime is 3428371. The next prime is 3428389. The reversal of 3428380 is 838243.

3428380 = T₄₆₃ + T₄₆₄ + ... + T₄₉₂.

It is an interprime number because it is at equal distance from previous prime (3428371) and next prime (3428389).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3428389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13212 + ... + 13468.

It is an arithmetic number, because the mean of its divisors is an integer number (162540).

Almost surely, 2^3428380 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 3428380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3900960).

3428380 is an abundant number, since it is smaller than the sum of its proper divisors (4373540).

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

3428380 is a wasteful number, since it uses less digits than its factorization.

3428380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 3428380 is about 1851.5885072013. The cubic root of 3428380 is about 150.7866818137.

The spelling of 3428380 in words is "three million, four hundred twenty-eight thousand, three hundred eighty".