8193492 has 18 divisors (see below), whose sum is σ = 20711418. Its totient is φ = 2731152.

The previous prime is 8193491. The next prime is 8193509. The reversal of 8193492 is 2943918.

8193492 is a `hidden beast` number, since 81 + 93 + 492 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5588496 + 2604996 = 2364^2 + 1614^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×8193492² = 134266622308128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 227597 = 8193492 / (8 + 1 + 9 + 3 + 4 + 9 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8193491) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113763 + ... + 113834.

Almost surely, 2^8193492 is an apocalyptic number.

It is an amenable number.

8193492 is an abundant number, since it is smaller than the sum of its proper divisors (12517926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8193492 is a wasteful number, since it uses less digits than its factorization.

8193492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227607 (or 227602 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 8193492 is about 2862.4276410068. The cubic root of 8193492 is about 201.5996055359.

The spelling of 8193492 in words is "eight million, one hundred ninety-three thousand, four hundred ninety-two".