881493 has 4 divisors (see below), whose sum is σ = 1175328. Its totient is φ = 587660.

The previous prime is 881479. The next prime is 881509. The reversal of 881493 is 394188.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 881493 - 2⁴ = 881477 is a prime.

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146913 + ... + 146918.

It is an arithmetic number, because the mean of its divisors is an integer number (293832).

2⁸⁸¹⁴⁹³ is an apocalyptic number.

It is an amenable number.

881493 is a deficient number, since it is larger than the sum of its proper divisors (293835).

881493 is a wasteful number, since it uses less digits than its factorization.

881493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293834.

The product of its digits is 6912, while the sum is 33.

The square root of 881493 is about 938.8785863998. The cubic root of 881493 is about 95.8825603843.

The spelling of 881493 in words is "eight hundred eighty-one thousand, four hundred ninety-three".