189344629 has 4 divisors (see below), whose sum is σ = 192553920. Its totient is φ = 186135340.

The previous prime is 189344627. The next prime is 189344677. The reversal of 189344629 is 926443981.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 926443981 = 79 ⋅11727139.

It is a cyclic number.

It is not a de Polignac number, because 189344629 - 2¹ = 189344627 is a prime.

It is a super-2 number, since 2×189344629² = 71702777062295282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189344627) 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, 1604557 + ... + 1604674.

It is an arithmetic number, because the mean of its divisors is an integer number (48138480).

Almost surely, 2^189344629 is an apocalyptic number.

It is an amenable number.

189344629 is a deficient number, since it is larger than the sum of its proper divisors (3209291).

189344629 is an equidigital number, since it uses as much as digits as its factorization.

189344629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209290.

The product of its digits is 373248, while the sum is 46.

The square root of 189344629 is about 13760.2554118737. The cubic root of 189344629 is about 574.2279533849.

The spelling of 189344629 in words is "one hundred eighty-nine million, three hundred forty-four thousand, six hundred twenty-nine".