3351420 has 72 divisors (see below), whose sum is σ = 10426416. Its totient is φ = 870912.

The previous prime is 3351419. The next prime is 3351421. The reversal of 3351420 is 241533.

It is an interprime number because it is at equal distance from previous prime (3351419) and next prime (3351421).

It is a super-2 number, since 2×3351420² = 22464032032800, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 3351393 and 3351402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3351421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7524 + ... + 7956.

Almost surely, 2^3351420 is an apocalyptic number.

3351420 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 3351420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5213208).

3351420 is an abundant number, since it is smaller than the sum of its proper divisors (7074996).

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

3351420 is a wasteful number, since it uses less digits than its factorization.

3351420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 486 counting only the distinct ones).

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

The square root of 3351420 is about 1830.6883951126. The cubic root of 3351420 is about 149.6498499356.

Adding to 3351420 its reverse (241533), we get a palindrome (3592953).

The spelling of 3351420 in words is "three million, three hundred fifty-one thousand, four hundred twenty".