8133992 has 8 divisors (see below), whose sum is σ = 15251250. Its totient is φ = 4066992.

The previous prime is 8133989. The next prime is 8134003. The reversal of 8133992 is 2993318.

It can be written as a sum of positive squares in only one way, i.e., 4726276 + 3407716 = 2174^2 + 1846^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508367 + ... + 508382.

Almost surely, 2^8133992 is an apocalyptic number.

It is an amenable number.

8133992 is a deficient number, since it is larger than the sum of its proper divisors (7117258).

8133992 is a wasteful number, since it uses less digits than its factorization.

8133992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016755 (or 1016751 counting only the distinct ones).

The product of its digits is 11664, while the sum is 35.

The square root of 8133992 is about 2852.0154277283. The cubic root of 8133992 is about 201.1104233895.

The spelling of 8133992 in words is "eight million, one hundred thirty-three thousand, nine hundred ninety-two".