3213716 has 12 divisors (see below), whose sum is σ = 6135360. Its totient is φ = 1460760.

The previous prime is 3213689. The next prime is 3213737. The reversal of 3213716 is 6173123.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3213691 and 3213700.

It is a congruent number.

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, 36476 + ... + 36563.

It is an arithmetic number, because the mean of its divisors is an integer number (511280).

Almost surely, 2^3213716 is an apocalyptic number.

It is an amenable number.

3213716 is a deficient number, since it is larger than the sum of its proper divisors (2921644).

3213716 is a wasteful number, since it uses less digits than its factorization.

3213716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73054 (or 73052 counting only the distinct ones).

The product of its digits is 756, while the sum is 23.

The square root of 3213716 is about 1792.6840212374. The cubic root of 3213716 is about 147.5715022476.

Adding to 3213716 its reverse (6173123), we get a palindrome (9386839).

The spelling of 3213716 in words is "three million, two hundred thirteen thousand, seven hundred sixteen".