3421260 has 72 divisors (see below), whose sum is σ = 10548720. Its totient is φ = 897408.

The previous prime is 3421241. The next prime is 3421321. The reversal of 3421260 is 621243.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14826 + ... + 15054.

It is an arithmetic number, because the mean of its divisors is an integer number (146510).

Almost surely, 2^3421260 is an apocalyptic number.

3421260 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 3421260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5274360).

3421260 is an abundant number, since it is smaller than the sum of its proper divisors (7127460).

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

3421260 is a wasteful number, since it uses less digits than its factorization.

3421260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3421260 is about 1849.6648345038. The cubic root of 3421260 is about 150.6822257494.

The spelling of 3421260 in words is "three million, four hundred twenty-one thousand, two hundred sixty".