155884 has 6 divisors (see below), whose sum is σ = 272804. Its totient is φ = 77940.

The previous prime is 155863. The next prime is 155887. The reversal of 155884 is 488551.

It is not an unprimeable number, because it can be changed into a prime (155887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19482 + ... + 19489.

2¹⁵⁵⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

155884 is a deficient number, since it is larger than the sum of its proper divisors (116920).

155884 is a wasteful number, since it uses less digits than its factorization.

155884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38975 (or 38973 counting only the distinct ones).

The product of its digits is 6400, while the sum is 31.

The square root of 155884 is about 394.8214786457. The cubic root of 155884 is about 53.8187798066.

The spelling of 155884 in words is "one hundred fifty-five thousand, eight hundred eighty-four".