3459021 has 4 divisors (see below), whose sum is σ = 4612032. Its totient is φ = 2306012.

The previous prime is 3459017. The next prime is 3459037. The reversal of 3459021 is 1209543.

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: 1209543 = 3 ⋅403181.

It is a cyclic number.

It is not a de Polignac number, because 3459021 - 2² = 3459017 is a prime.

It is a D-number.

3459021 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3458982 and 3459000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3454021) 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, 576501 + ... + 576506.

It is an arithmetic number, because the mean of its divisors is an integer number (1153008).

Almost surely, 2^3459021 is an apocalyptic number.

It is an amenable number.

3459021 is a deficient number, since it is larger than the sum of its proper divisors (1153011).

3459021 is a wasteful number, since it uses less digits than its factorization.

3459021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153010.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 3459021 is about 1859.8443483260. The cubic root of 3459021 is about 151.2345666469.

The spelling of 3459021 in words is "three million, four hundred fifty-nine thousand, twenty-one".