3421986 has 32 divisors (see below), whose sum is σ = 7233408. Its totient is φ = 1077120.

The previous prime is 3421939. The next prime is 3421993. The reversal of 3421986 is 6891243.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18816 + ... + 18996.

It is an arithmetic number, because the mean of its divisors is an integer number (226044).

Almost surely, 2^3421986 is an apocalyptic number.

3421986 is an abundant number, since it is smaller than the sum of its proper divisors (3811422).

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

3421986 is a wasteful number, since it uses less digits than its factorization.

3421986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346.

The product of its digits is 10368, while the sum is 33.

The square root of 3421986 is about 1849.8610758649. The cubic root of 3421986 is about 150.6928833783.

The spelling of 3421986 in words is "three million, four hundred twenty-one thousand, nine hundred eighty-six".