189056994 has 24 divisors (see below), whose sum is σ = 439847568. Its totient is φ = 54016200.

The previous prime is 189056993. The next prime is 189057041. The reversal of 189056994 is 499650981.

189056994 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (189056993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 321232 + ... + 321819.

It is an arithmetic number, because the mean of its divisors is an integer number (18326982).

Almost surely, 2^189056994 is an apocalyptic number.

189056994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

189056994 is an abundant number, since it is smaller than the sum of its proper divisors (250790574).

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

189056994 is a wasteful number, since it uses less digits than its factorization.

189056994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643070 (or 643063 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 51.

The square root of 189056994 is about 13749.7997803604. The cubic root of 189056994 is about 573.9370345368.

The spelling of 189056994 in words is "one hundred eighty-nine million, fifty-six thousand, nine hundred ninety-four".