3421573 has 8 divisors (see below), whose sum is σ = 3711960. Its totient is φ = 3141120.

The previous prime is 3421567. The next prime is 3421591. The reversal of 3421573 is 3751243.

It can be written as a sum of positive squares in 4 ways, for example, as 1117249 + 2304324 = 1057^2 + 1518^2 .

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 3421573 - 2¹³ = 3413381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421513) 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, 1758 + ... + 3151.

It is an arithmetic number, because the mean of its divisors is an integer number (463995).

Almost surely, 2^3421573 is an apocalyptic number.

It is an amenable number.

3421573 is a deficient number, since it is larger than the sum of its proper divisors (290387).

3421573 is a wasteful number, since it uses less digits than its factorization.

3421573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4967.

The product of its digits is 2520, while the sum is 25.

The square root of 3421573 is about 1849.7494424921. The cubic root of 3421573 is about 150.6868207522.

The spelling of 3421573 in words is "three million, four hundred twenty-one thousand, five hundred seventy-three".