3213430 has 32 divisors (see below), whose sum is σ = 6386688. Its totient is φ = 1154400.

The previous prime is 3213421. The next prime is 3213439. The reversal of 3213430 is 343123.

It is an interprime number because it is at equal distance from previous prime (3213421) and next prime (3213439).

It is a super-2 number, since 2×3213430² = 20652264729800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14299 + ... + 14521.

It is an arithmetic number, because the mean of its divisors is an integer number (199584).

Almost surely, 2^3213430 is an apocalyptic number.

3213430 is a deficient number, since it is larger than the sum of its proper divisors (3173258).

3213430 is a wasteful number, since it uses less digits than its factorization.

3213430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3213430 is about 1792.6042508038. The cubic root of 3213430 is about 147.5671244804.

Adding to 3213430 its reverse (343123), we get a palindrome (3556553).

The spelling of 3213430 in words is "three million, two hundred thirteen thousand, four hundred thirty".