893243391 has 8 divisors (see below), whose sum is σ = 1196636544. Its totient is φ = 592672920.

The previous prime is 893243389. The next prime is 893243399. The reversal of 893243391 is 193342398.

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

It is not a de Polignac number, because 893243391 - 2¹ = 893243389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (893243399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704931 + ... + 706196.

It is an arithmetic number, because the mean of its divisors is an integer number (149579568).

Almost surely, 2^893243391 is an apocalyptic number.

893243391 is a deficient number, since it is larger than the sum of its proper divisors (303393153).

893243391 is a wasteful number, since it uses less digits than its factorization.

893243391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411341.

The product of its digits is 139968, while the sum is 42.

The square root of 893243391 is about 29887.1777021518. The cubic root of 893243391 is about 963.0672263659.

The spelling of 893243391 in words is "eight hundred ninety-three million, two hundred forty-three thousand, three hundred ninety-one".