3213538 has 8 divisors (see below), whose sum is σ = 4864860. Its totient is φ = 1591920.

The previous prime is 3213499. The next prime is 3213559. The reversal of 3213538 is 8353123.

It can be written as a sum of positive squares in 2 ways, for example, as 2699449 + 514089 = 1643^2 + 717^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7153 + ... + 7588.

Almost surely, 2^3213538 is an apocalyptic number.

3213538 is a deficient number, since it is larger than the sum of its proper divisors (1651322).

3213538 is a wasteful number, since it uses less digits than its factorization.

3213538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14852.

The product of its digits is 2160, while the sum is 25.

The square root of 3213538 is about 1792.6343743218. The cubic root of 3213538 is about 147.5687776537.

The spelling of 3213538 in words is "three million, two hundred thirteen thousand, five hundred thirty-eight".