188465828 has 6 divisors (see below), whose sum is σ = 329815206. Its totient is φ = 94232912.

The previous prime is 188465819. The next prime is 188465839. The reversal of 188465828 is 828564881.

It is a happy number.

188465828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 133587364 + 54878464 = 11558^2 + 7408^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23558225 + ... + 23558232.

It is an arithmetic number, because the mean of its divisors is an integer number (54969201).

Almost surely, 2^188465828 is an apocalyptic number.

It is an amenable number.

188465828 is a deficient number, since it is larger than the sum of its proper divisors (141349378).

188465828 is a wasteful number, since it uses less digits than its factorization.

188465828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47116461 (or 47116459 counting only the distinct ones).

The product of its digits is 983040, while the sum is 50.

The square root of 188465828 is about 13728.2856905005. The cubic root of 188465828 is about 573.3381916240.

The spelling of 188465828 in words is "one hundred eighty-eight million, four hundred sixty-five thousand, eight hundred twenty-eight".