3521456 has 20 divisors (see below), whose sum is σ = 6880512. Its totient is φ = 1745856.

The previous prime is 3521437. The next prime is 3521473. The reversal of 3521456 is 6541253.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166 + ... + 2898.

Almost surely, 2^3521456 is an apocalyptic number.

It is an amenable number.

3521456 is a deficient number, since it is larger than the sum of its proper divisors (3359056).

3521456 is a wasteful number, since it uses less digits than its factorization.

3521456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868 (or 1862 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 3521456 is about 1876.5542891161. The cubic root of 3521456 is about 152.1390693983.

The spelling of 3521456 in words is "three million, five hundred twenty-one thousand, four hundred fifty-six".