3421388 has 12 divisors (see below), whose sum is σ = 6247920. Its totient is φ = 1636272.

The previous prime is 3421373. The next prime is 3421393. The reversal of 3421388 is 8831243.

It is a happy number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3421388.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18503 + ... + 18686.

It is an arithmetic number, because the mean of its divisors is an integer number (520660).

Almost surely, 2^3421388 is an apocalyptic number.

It is an amenable number.

3421388 is a deficient number, since it is larger than the sum of its proper divisors (2826532).

3421388 is a wasteful number, since it uses less digits than its factorization.

3421388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37216 (or 37214 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 3421388 is about 1849.6994350434. The cubic root of 3421388 is about 150.6841048898.

The spelling of 3421388 in words is "three million, four hundred twenty-one thousand, three hundred eighty-eight".