8220676 has 24 divisors (see below), whose sum is σ = 14918400. Its totient is φ = 3961152.

The previous prime is 8220649. The next prime is 8220689. The reversal of 8220676 is 6760228.

8220676 = 395² + 396² + ... + 441².

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13425 + ... + 14023.

It is an arithmetic number, because the mean of its divisors is an integer number (621600).

Almost surely, 2^8220676 is an apocalyptic number.

It is an amenable number.

8220676 is a deficient number, since it is larger than the sum of its proper divisors (6697724).

8220676 is a wasteful number, since it uses less digits than its factorization.

8220676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 8220676 is about 2867.1721259806. The cubic root of 8220676 is about 201.8223121294.

The spelling of 8220676 in words is "eight million, two hundred twenty thousand, six hundred seventy-six".