881388 has 24 divisors (see below), whose sum is σ = 2285360. Its totient is φ = 293760.

The previous prime is 881369. The next prime is 881393. The reversal of 881388 is 883188.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 881388.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3973 + ... + 4188.

2⁸⁸¹³⁸⁸ is an apocalyptic number.

It is an amenable number.

881388 is an abundant number, since it is smaller than the sum of its proper divisors (1403972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

881388 is a wasteful number, since it uses less digits than its factorization.

881388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8174 (or 8166 counting only the distinct ones).

The product of its digits is 12288, while the sum is 36.

The square root of 881388 is about 938.8226669611. The cubic root of 881388 is about 95.8787531812.

The spelling of 881388 in words is "eight hundred eighty-one thousand, three hundred eighty-eight".