3351240 has 128 divisors (see below), whose sum is σ = 11664000. Its totient is φ = 854784.

The previous prime is 3351233. The next prime is 3351251. The reversal of 3351240 is 421533.

It is a super-2 number, since 2×3351240² = 22461619075200, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31267 + ... + 31373.

It is an arithmetic number, because the mean of its divisors is an integer number (91125).

Almost surely, 2^3351240 is an apocalyptic number.

3351240 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 3351240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5832000).

3351240 is an abundant number, since it is smaller than the sum of its proper divisors (8312760).

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

3351240 is a wasteful number, since it uses less digits than its factorization.

3351240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3351240 is about 1830.6392326179. The cubic root of 3351240 is about 149.6471707274.

Adding to 3351240 its reverse (421533), we get a palindrome (3772773).

The spelling of 3351240 in words is "three million, three hundred fifty-one thousand, two hundred forty".