3420788 has 36 divisors (see below), whose sum is σ = 7201152. Its totient is φ = 1416240.

The previous prime is 3420787. The next prime is 3420793. The reversal of 3420788 is 8870243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5795 + ... + 6357.

It is an arithmetic number, because the mean of its divisors is an integer number (200032).

Almost surely, 2^3420788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3420788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3600576).

3420788 is an abundant number, since it is smaller than the sum of its proper divisors (3780364).

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

3420788 is a wasteful number, since it uses less digits than its factorization.

3420788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 3420788 is about 1849.5372394196. The cubic root of 3420788 is about 150.6752960138.

The spelling of 3420788 in words is "three million, four hundred twenty thousand, seven hundred eighty-eight".