3521679 has 12 divisors (see below), whose sum is σ = 5462424. Its totient is φ = 2012304.

The previous prime is 3521677. The next prime is 3521689. The reversal of 3521679 is 9761253.

It is not a de Polignac number, because 3521679 - 2¹ = 3521677 is a prime.

3521679 is a lucky number.

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 11 ways as a sum of consecutive naturals, for example, 11832 + ... + 12125.

It is an arithmetic number, because the mean of its divisors is an integer number (455202).

Almost surely, 2^3521679 is an apocalyptic number.

3521679 is a deficient number, since it is larger than the sum of its proper divisors (1940745).

3521679 is a wasteful number, since it uses less digits than its factorization.

3521679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23974 (or 23967 counting only the distinct ones).

The product of its digits is 11340, while the sum is 33.

The square root of 3521679 is about 1876.6137055878. The cubic root of 3521679 is about 152.1422807874.

The spelling of 3521679 in words is "three million, five hundred twenty-one thousand, six hundred seventy-nine".