3213858 has 16 divisors (see below), whose sum is σ = 6462720. Its totient is φ = 1065456.

The previous prime is 3213853. The next prime is 3213877. The reversal of 3213858 is 8583123.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3213851) 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 7 ways as a sum of consecutive naturals, for example, 178 + ... + 2541.

It is an arithmetic number, because the mean of its divisors is an integer number (403920).

Almost surely, 2^3213858 is an apocalyptic number.

3213858 is an abundant number, since it is smaller than the sum of its proper divisors (3248862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3213858 is a wasteful number, since it uses less digits than its factorization.

3213858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921.

The product of its digits is 5760, while the sum is 30.

The square root of 3213858 is about 1792.7236262179. The cubic root of 3213858 is about 147.5736757278.

The spelling of 3213858 in words is "three million, two hundred thirteen thousand, eight hundred fifty-eight".