15340493 has 8 divisors (see below), whose sum is σ = 17666880. Its totient is φ = 13047840.

The previous prime is 15340489. The next prime is 15340499. The reversal of 15340493 is 39404351.

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 15340493 - 2² = 15340489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15340499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7448 + ... + 9281.

It is an arithmetic number, because the mean of its divisors is an integer number (2208360).

Almost surely, 2^15340493 is an apocalyptic number.

It is an amenable number.

15340493 is a deficient number, since it is larger than the sum of its proper divisors (2326387).

15340493 is a wasteful number, since it uses less digits than its factorization.

15340493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16867.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 15340493 is about 3916.6941417476. The cubic root of 15340493 is about 248.4733253691.

The spelling of 15340493 in words is "fifteen million, three hundred forty thousand, four hundred ninety-three".