881949 has 4 divisors (see below), whose sum is σ = 1175936. Its totient is φ = 587964.

The previous prime is 881939. The next prime is 881953. The reversal of 881949 is 949188.

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 881949 - 2⁵ = 881917 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881939) 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, 146989 + ... + 146994.

It is an arithmetic number, because the mean of its divisors is an integer number (293984).

2⁸⁸¹⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

881949 is a deficient number, since it is larger than the sum of its proper divisors (293987).

881949 is a wasteful number, since it uses less digits than its factorization.

881949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293986.

The product of its digits is 20736, while the sum is 39.

The square root of 881949 is about 939.1213979034. The cubic root of 881949 is about 95.8990910168.

It can be divided in two parts, 881 and 949, that added together give a triangular number (1830 = T₆₀).

The spelling of 881949 in words is "eight hundred eighty-one thousand, nine hundred forty-nine".