189949102 has 8 divisors (see below), whose sum is σ = 325627056. Its totient is φ = 81406752.

The previous prime is 189949079. The next prime is 189949147. The reversal of 189949102 is 201949981.

It is a happy number.

189949102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×189949102² = 72161322701212808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6783883 + ... + 6783910.

It is an arithmetic number, because the mean of its divisors is an integer number (40703382).

Almost surely, 2^189949102 is an apocalyptic number.

189949102 is a deficient number, since it is larger than the sum of its proper divisors (135677954).

189949102 is a wasteful number, since it uses less digits than its factorization.

189949102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13567802.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 189949102 is about 13782.2023639185. The cubic root of 189949102 is about 574.8383686847.

The spelling of 189949102 in words is "one hundred eighty-nine million, nine hundred forty-nine thousand, one hundred two".