3421390 has 32 divisors (see below), whose sum is σ = 7233984. Its totient is φ = 1140480.

The previous prime is 3421373. The next prime is 3421393. The reversal of 3421390 is 931243.

3421390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1930 + ... + 3250.

It is an arithmetic number, because the mean of its divisors is an integer number (226062).

Almost surely, 2^3421390 is an apocalyptic number.

3421390 is an abundant number, since it is smaller than the sum of its proper divisors (3812594).

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

3421390 is a wasteful number, since it uses less digits than its factorization.

3421390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 3421390 is about 1849.6999756717. The cubic root of 3421390 is about 150.6841342510.

The spelling of 3421390 in words is "three million, four hundred twenty-one thousand, three hundred ninety".