189520629 has 16 divisors (see below), whose sum is σ = 257342400. Its totient is φ = 124039296.

The previous prime is 189520619. The next prime is 189520657. The reversal of 189520629 is 926025981.

It is not a de Polignac number, because 189520629 - 2¹³ = 189512437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189520609) 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, 48262 + ... + 52040.

It is an arithmetic number, because the mean of its divisors is an integer number (16083900).

Almost surely, 2^189520629 is an apocalyptic number.

It is an amenable number.

189520629 is a deficient number, since it is larger than the sum of its proper divisors (67821771).

189520629 is a wasteful number, since it uses less digits than its factorization.

189520629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4084.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 189520629 is about 13766.6491565667. The cubic root of 189520629 is about 574.4058174604.

The spelling of 189520629 in words is "one hundred eighty-nine million, five hundred twenty thousand, six hundred twenty-nine".