8149693 has 8 divisors (see below), whose sum is σ = 8399160. Its totient is φ = 7902720.

The previous prime is 8149663. The next prime is 8149699. The reversal of 8149693 is 3969418.

It can be written as a sum of positive squares in 4 ways, for example, as 870489 + 7279204 = 933^2 + 2698^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8149693 - 2⁹ = 8149181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8149699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7573 + ... + 8581.

It is an arithmetic number, because the mean of its divisors is an integer number (1049895).

Almost surely, 2^8149693 is an apocalyptic number.

It is an amenable number.

8149693 is a deficient number, since it is larger than the sum of its proper divisors (249467).

8149693 is a wasteful number, since it uses less digits than its factorization.

8149693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247.

The product of its digits is 46656, while the sum is 40.

The square root of 8149693 is about 2854.7667155128. The cubic root of 8149693 is about 201.2397409994.

The spelling of 8149693 in words is "eight million, one hundred forty-nine thousand, six hundred ninety-three".