3428780 has 12 divisors (see below), whose sum is σ = 7200480. Its totient is φ = 1371504.

The previous prime is 3428743. The next prime is 3428783. The reversal of 3428780 is 878243.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3428783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85700 + ... + 85739.

It is an arithmetic number, because the mean of its divisors is an integer number (600040).

Almost surely, 2^3428780 is an apocalyptic number.

It is an amenable number.

3428780 is an abundant number, since it is smaller than the sum of its proper divisors (3771700).

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

3428780 is a wasteful number, since it uses less digits than its factorization.

3428780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171448 (or 171446 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 3428780 is about 1851.6965194113. The cubic root of 3428780 is about 150.7925458396.

The spelling of 3428780 in words is "three million, four hundred twenty-eight thousand, seven hundred eighty".