188949 has 4 divisors (see below), whose sum is σ = 251936. Its totient is φ = 125964.

The previous prime is 188941. The next prime is 188953. The reversal of 188949 is 949881.

188949 is nontrivially palindromic in base 12.

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 188949 - 2³ = 188941 is a prime.

It is a D-number.

It is a Duffinian number.

188949 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188941) 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, 31489 + ... + 31494.

It is an arithmetic number, because the mean of its divisors is an integer number (62984).

2¹⁸⁸⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

188949 is a deficient number, since it is larger than the sum of its proper divisors (62987).

188949 is an equidigital number, since it uses as much as digits as its factorization.

188949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62986.

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

The square root of 188949 is about 434.6826428557. The cubic root of 188949 is about 57.3827731410.

The spelling of 188949 in words is "one hundred eighty-eight thousand, nine hundred forty-nine".