881481 has 4 divisors (see below), whose sum is σ = 1175312. Its totient is φ = 587652.

The previous prime is 881479. The next prime is 881509. The reversal of 881481 is 184188.

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 not a de Polignac number, because 881481 - 2¹ = 881479 is a prime.

It is a super-2 number, since 2×881481² = 1554017506722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

881481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (881411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146911 + ... + 146916.

It is an arithmetic number, because the mean of its divisors is an integer number (293828).

2⁸⁸¹⁴⁸¹ is an apocalyptic number.

It is an amenable number.

881481 is a deficient number, since it is larger than the sum of its proper divisors (293831).

881481 is a wasteful number, since it uses less digits than its factorization.

881481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293830.

The product of its digits is 2048, while the sum is 30.

The square root of 881481 is about 938.8721957753. The cubic root of 881481 is about 95.8821252907.

The spelling of 881481 in words is "eight hundred eighty-one thousand, four hundred eighty-one".