3421902 has 32 divisors (see below), whose sum is σ = 7539840. Its totient is φ = 1026720.

The previous prime is 3421877. The next prime is 3421903. The reversal of 3421902 is 2091243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8988 + ... + 9360.

It is an arithmetic number, because the mean of its divisors is an integer number (235620).

Almost surely, 2^3421902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3421902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3769920).

3421902 is an abundant number, since it is smaller than the sum of its proper divisors (4117938).

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

3421902 is a wasteful number, since it uses less digits than its factorization.

3421902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 3421902 is about 1849.8383713179. The cubic root of 3421902 is about 150.6916503413.

The spelling of 3421902 in words is "three million, four hundred twenty-one thousand, nine hundred two".