3408220 has 24 divisors (see below), whose sum is σ = 7534800. Its totient is φ = 1291392.

The previous prime is 3408203. The next prime is 3408241. The reversal of 3408220 is 228043.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4105 + ... + 4864.

It is an arithmetic number, because the mean of its divisors is an integer number (313950).

Almost surely, 2^3408220 is an apocalyptic number.

It is an amenable number.

3408220 is an abundant number, since it is smaller than the sum of its proper divisors (4126580).

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

3408220 is a wasteful number, since it uses less digits than its factorization.

3408220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8997 (or 8995 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 3408220 is about 1846.1365063288. The cubic root of 3408220 is about 150.4905421885.

The spelling of 3408220 in words is "three million, four hundred eight thousand, two hundred twenty".