3480521 has 8 divisors (see below), whose sum is σ = 3962304. Its totient is φ = 3026320.

The previous prime is 3480517. The next prime is 3480569. The reversal of 3480521 is 1250843.

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

It is not a de Polignac number, because 3480521 - 2² = 3480517 is a prime.

It is a super-2 number, since 2×3480521² = 24228052862882, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3480511) 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, 6626 + ... + 7131.

It is an arithmetic number, because the mean of its divisors is an integer number (495288).

Almost surely, 2^3480521 is an apocalyptic number.

It is an amenable number.

3480521 is a deficient number, since it is larger than the sum of its proper divisors (481783).

3480521 is a wasteful number, since it uses less digits than its factorization.

3480521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13791.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 3480521 is about 1865.6154480492. The cubic root of 3480521 is about 151.5472591257.

The spelling of 3480521 in words is "three million, four hundred eighty thousand, five hundred twenty-one".