3421969 has 4 divisors (see below), whose sum is σ = 3455296. Its totient is φ = 3388644.

The previous prime is 3421939. The next prime is 3421993. The reversal of 3421969 is 9691243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3421969 - 2⁵ = 3421937 is a prime.

It is a super-2 number, since 2×3421969² = 23419743673922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3421939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16509 + ... + 16714.

It is an arithmetic number, because the mean of its divisors is an integer number (863824).

Almost surely, 2^3421969 is an apocalyptic number.

It is an amenable number.

3421969 is a deficient number, since it is larger than the sum of its proper divisors (33327).

3421969 is a wasteful number, since it uses less digits than its factorization.

3421969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33326.

The product of its digits is 11664, while the sum is 34.

The square root of 3421969 is about 1849.8564809195. The cubic root of 3421969 is about 150.6926338367.

The spelling of 3421969 in words is "three million, four hundred twenty-one thousand, nine hundred sixty-nine".