3425421 has 8 divisors (see below), whose sum is σ = 4579200. Its totient is φ = 2277632.

The previous prime is 3425419. The next prime is 3425431. The reversal of 3425421 is 1245243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3425421 - 2¹ = 3425419 is a prime.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3425431) 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, 76 + ... + 2618.

It is an arithmetic number, because the mean of its divisors is an integer number (572400).

Almost surely, 2^3425421 is an apocalyptic number.

It is an amenable number.

3425421 is a deficient number, since it is larger than the sum of its proper divisors (1153779).

3425421 is a wasteful number, since it uses less digits than its factorization.

3425421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2995.

The product of its digits is 960, while the sum is 21.

The square root of 3425421 is about 1850.7892910864. The cubic root of 3425421 is about 150.7432885087.

The spelling of 3425421 in words is "three million, four hundred twenty-five thousand, four hundred twenty-one".