8117492 has 6 divisors (see below), whose sum is σ = 14205618. Its totient is φ = 4058744.

The previous prime is 8117491. The next prime is 8117507. The reversal of 8117492 is 2947118.

It can be written as a sum of positive squares in only one way, i.e., 6739216 + 1378276 = 2596^2 + 1174^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8117491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014683 + ... + 1014690.

It is an arithmetic number, because the mean of its divisors is an integer number (2367603).

Almost surely, 2^8117492 is an apocalyptic number.

It is an amenable number.

8117492 is a deficient number, since it is larger than the sum of its proper divisors (6088126).

8117492 is a wasteful number, since it uses less digits than its factorization.

8117492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029377 (or 2029375 counting only the distinct ones).

The product of its digits is 4032, while the sum is 32.

The square root of 8117492 is about 2849.1212680404. The cubic root of 8117492 is about 200.9743455455.

The spelling of 8117492 in words is "eight million, one hundred seventeen thousand, four hundred ninety-two".