3521670 has 16 divisors (see below), whose sum is σ = 8452080. Its totient is φ = 939104.

The previous prime is 3521659. The next prime is 3521677. The reversal of 3521670 is 761253.

It is a self number, because there is not a number n which added to its sum of digits gives 3521670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3521677) 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, 58665 + ... + 58724.

It is an arithmetic number, because the mean of its divisors is an integer number (528255).

Almost surely, 2^3521670 is an apocalyptic number.

3521670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3521670 is an abundant number, since it is smaller than the sum of its proper divisors (4930410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3521670 is a wasteful number, since it uses less digits than its factorization.

3521670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117399.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 3521670 is about 1876.6113076500. The cubic root of 3521670 is about 152.1421511824.

The spelling of 3521670 in words is "three million, five hundred twenty-one thousand, six hundred seventy".