3521486 has 4 divisors (see below), whose sum is σ = 5282232. Its totient is φ = 1760742.

The previous prime is 3521473. The next prime is 3521489. The reversal of 3521486 is 6841253.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6841253 = 211 ⋅32423.

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3521489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 880370 + ... + 880373.

It is an arithmetic number, because the mean of its divisors is an integer number (1320558).

Almost surely, 2^3521486 is an apocalyptic number.

3521486 is a deficient number, since it is larger than the sum of its proper divisors (1760746).

3521486 is a wasteful number, since it uses less digits than its factorization.

3521486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760745.

The product of its digits is 5760, while the sum is 29.

The square root of 3521486 is about 1876.5622824729. The cubic root of 3521486 is about 152.1395014316.

The spelling of 3521486 in words is "three million, five hundred twenty-one thousand, four hundred eighty-six".