8423812 has 6 divisors (see below), whose sum is σ = 14741678. Its totient is φ = 4211904.

The previous prime is 8423803. The next prime is 8423867. The reversal of 8423812 is 2183248.

It can be written as a sum of positive squares in only one way, i.e., 5089536 + 3334276 = 2256^2 + 1826^2 .

It is a super-2 number, since 2×8423812² = 141921217222688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052973 + ... + 1052980.

Almost surely, 2^8423812 is an apocalyptic number.

It is an amenable number.

8423812 is a deficient number, since it is larger than the sum of its proper divisors (6317866).

8423812 is a wasteful number, since it uses less digits than its factorization.

8423812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105957 (or 2105955 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 8423812 is about 2902.3804023594. The cubic root of 8423812 is about 203.4711729235.

The spelling of 8423812 in words is "eight million, four hundred twenty-three thousand, eight hundred twelve".