3321145 has 8 divisors (see below), whose sum is σ = 4051080. Its totient is φ = 2613120.

The previous prime is 3321119. The next prime is 3321151. The reversal of 3321145 is 5411233.

It can be written as a sum of positive squares in 4 ways, for example, as 262144 + 3059001 = 512^2 + 1749^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3321145 - 2⁵ = 3321113 is a prime.

It is a super-2 number, since 2×3321145² = 22060008222050, which contains 22 as substring.

3321145 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5140 + ... + 5749.

It is an arithmetic number, because the mean of its divisors is an integer number (506385).

Almost surely, 2^3321145 is an apocalyptic number.

It is an amenable number.

3321145 is a deficient number, since it is larger than the sum of its proper divisors (729935).

3321145 is a wasteful number, since it uses less digits than its factorization.

3321145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10955.

The product of its digits is 360, while the sum is 19.

The square root of 3321145 is about 1822.4008889374. The cubic root of 3321145 is about 149.1978663381.

Adding to 3321145 its reverse (5411233), we get a palindrome (8732378).

The spelling of 3321145 in words is "three million, three hundred twenty-one thousand, one hundred forty-five".