8213738 has 24 divisors (see below), whose sum is σ = 14054400. Its totient is φ = 3588624.

The previous prime is 8213717. The next prime is 8213743. The reversal of 8213738 is 8373128.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5783 + ... + 7061.

It is an arithmetic number, because the mean of its divisors is an integer number (585600).

Almost surely, 2^8213738 is an apocalyptic number.

8213738 is a deficient number, since it is larger than the sum of its proper divisors (5840662).

8213738 is a wasteful number, since it uses less digits than its factorization.

8213738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326 (or 1313 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 8213738 is about 2865.9619676472. The cubic root of 8213738 is about 201.7655188557.

The spelling of 8213738 in words is "eight million, two hundred thirteen thousand, seven hundred thirty-eight".