3425280 has 88 divisors (see below), whose sum is σ = 11004672. Its totient is φ = 909312.

The previous prime is 3425273. The next prime is 3425281. The reversal of 3425280 is 825243.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3425280.

It is not an unprimeable number, because it can be changed into a prime (3425281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15249 + ... + 15471.

Almost surely, 2^3425280 is an apocalyptic number.

3425280 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 3425280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5502336).

3425280 is an abundant number, since it is smaller than the sum of its proper divisors (7579392).

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

3425280 is a wasteful number, since it uses less digits than its factorization.

3425280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 3425280 is about 1850.7511988379. The cubic root of 3425280 is about 150.7412201405.

The spelling of 3425280 in words is "three million, four hundred twenty-five thousand, two hundred eighty".