3421992 has 32 divisors (see below), whose sum is σ = 9777600. Its totient is φ = 977664.

The previous prime is 3421939. The next prime is 3421993. The reversal of 3421992 is 2991243.

It is not an unprimeable number, because it can be changed into a prime (3421993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10017 + ... + 10352.

It is an arithmetic number, because the mean of its divisors is an integer number (305550).

Almost surely, 2^3421992 is an apocalyptic number.

It is an amenable number.

3421992 is an abundant number, since it is smaller than the sum of its proper divisors (6355608).

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

3421992 is a wasteful number, since it uses less digits than its factorization.

3421992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20385 (or 20381 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 3421992 is about 1849.8626976076. The cubic root of 3421992 is about 150.6929714516.

The spelling of 3421992 in words is "three million, four hundred twenty-one thousand, nine hundred ninety-two".