3435421 has 4 divisors (see below), whose sum is σ = 3747744. Its totient is φ = 3123100.

The previous prime is 3435403. The next prime is 3435457. The reversal of 3435421 is 1245343.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1245343 = 11 ⋅113213.

It is a cyclic number.

It is not a de Polignac number, because 3435421 - 2⁷ = 3435293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3435392 and 3435401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3435461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156145 + ... + 156166.

It is an arithmetic number, because the mean of its divisors is an integer number (936936).

Almost surely, 2^3435421 is an apocalyptic number.

It is an amenable number.

3435421 is a deficient number, since it is larger than the sum of its proper divisors (312323).

3435421 is a wasteful number, since it uses less digits than its factorization.

3435421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312322.

The product of its digits is 1440, while the sum is 22.

The square root of 3435421 is about 1853.4888723702. The cubic root of 3435421 is about 150.8898367580.

The spelling of 3435421 in words is "three million, four hundred thirty-five thousand, four hundred twenty-one".