3215493 has 12 divisors (see below), whose sum is σ = 4721548. Its totient is φ = 2108160.

The previous prime is 3215479. The next prime is 3215539. The reversal of 3215493 is 3945123.

It can be written as a sum of positive squares in 2 ways, for example, as 1520289 + 1695204 = 1233^2 + 1302^2 .

It is not a de Polignac number, because 3215493 - 2¹³ = 3207301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2380 + ... + 3477.

Almost surely, 2^3215493 is an apocalyptic number.

It is an amenable number.

3215493 is a deficient number, since it is larger than the sum of its proper divisors (1506055).

3215493 is a wasteful number, since it uses less digits than its factorization.

3215493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5924 (or 5921 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 3215493 is about 1793.1795782910. The cubic root of 3215493 is about 147.5986967519.

It can be divided in two parts, 3 and 215493, that added together give a triangular number (215496 = T₆₅₆).

The spelling of 3215493 in words is "three million, two hundred fifteen thousand, four hundred ninety-three".