3421549 has 4 divisors (see below), whose sum is σ = 3570336. Its totient is φ = 3272764.

The previous prime is 3421531. The next prime is 3421567. The reversal of 3421549 is 9451243.

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 an interprime number because it is at equal distance from previous prime (3421531) and next prime (3421567).

It is a cyclic number.

It is not a de Polignac number, because 3421549 - 2¹³ = 3413357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421049) 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, 74359 + ... + 74404.

It is an arithmetic number, because the mean of its divisors is an integer number (892584).

Almost surely, 2^3421549 is an apocalyptic number.

It is an amenable number.

3421549 is a deficient number, since it is larger than the sum of its proper divisors (148787).

3421549 is a wasteful number, since it uses less digits than its factorization.

3421549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148786.

The product of its digits is 4320, while the sum is 28.

The square root of 3421549 is about 1849.7429551157. The cubic root of 3421549 is about 150.6864684297.

It can be divided in two parts, 342 and 1549, that added together give a triangular number (1891 = T₆₁).

The spelling of 3421549 in words is "three million, four hundred twenty-one thousand, five hundred forty-nine".