3421547 has 4 divisors (see below), whose sum is σ = 3432216. Its totient is φ = 3410880.

The previous prime is 3421531. The next prime is 3421567. The reversal of 3421547 is 7451243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7451243 = 1231 ⋅6053.

It is a cyclic number.

It is not a de Polignac number, because 3421547 - 2⁴ = 3421531 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3421567) 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, 4838 + ... + 5499.

It is an arithmetic number, because the mean of its divisors is an integer number (858054).

Almost surely, 2^3421547 is an apocalyptic number.

3421547 is a deficient number, since it is larger than the sum of its proper divisors (10669).

3421547 is a wasteful number, since it uses less digits than its factorization.

3421547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10668.

The product of its digits is 3360, while the sum is 26.

The square root of 3421547 is about 1849.7424144999. The cubic root of 3421547 is about 150.6864390694.

The spelling of 3421547 in words is "three million, four hundred twenty-one thousand, five hundred forty-seven".