189769629 has 16 divisors (see below), whose sum is σ = 289640448. Its totient is φ = 108264432.

The previous prime is 189769609. The next prime is 189769639. The reversal of 189769629 is 926967981.

It is not a de Polignac number, because 189769629 - 2¹³ = 189761437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189769609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6604 + ... + 20570.

It is an arithmetic number, because the mean of its divisors is an integer number (18102528).

Almost surely, 2^189769629 is an apocalyptic number.

It is an amenable number.

189769629 is a deficient number, since it is larger than the sum of its proper divisors (99870819).

189769629 is a wasteful number, since it uses less digits than its factorization.

189769629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14624.

The product of its digits is 2939328, while the sum is 57.

The square root of 189769629 is about 13775.6897830925. The cubic root of 189769629 is about 574.6572667032.

The spelling of 189769629 in words is "one hundred eighty-nine million, seven hundred sixty-nine thousand, six hundred twenty-nine".