189557468 has 12 divisors (see below), whose sum is σ = 337984920. Its totient is φ = 92990352.

The previous prime is 189557461. The next prime is 189557479. The reversal of 189557468 is 864755981.

It is a super-4 number, since 4×189557468⁴ (a number of 34 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189557461) 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, 446858 + ... + 447281.

It is an arithmetic number, because the mean of its divisors is an integer number (28165410).

Almost surely, 2^189557468 is an apocalyptic number.

It is an amenable number.

189557468 is a deficient number, since it is larger than the sum of its proper divisors (148427452).

189557468 is a wasteful number, since it uses less digits than its factorization.

189557468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894196 (or 894194 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 53.

The square root of 189557468 is about 13767.9870714640. The cubic root of 189557468 is about 574.4430326967.

The spelling of 189557468 in words is "one hundred eighty-nine million, five hundred fifty-seven thousand, four hundred sixty-eight".