189424437 has 8 divisors (see below), whose sum is σ = 254555136. Its totient is φ = 125288352.

The previous prime is 189424427. The next prime is 189424457. The reversal of 189424437 is 734424981.

189424437 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 not a de Polignac number, because 189424437 - 2⁸ = 189424181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189424427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248208 + ... + 248969.

It is an arithmetic number, because the mean of its divisors is an integer number (31819392).

Almost surely, 2^189424437 is an apocalyptic number.

It is an amenable number.

189424437 is a deficient number, since it is larger than the sum of its proper divisors (65130699).

189424437 is a wasteful number, since it uses less digits than its factorization.

189424437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497307.

The product of its digits is 193536, while the sum is 42.

The square root of 189424437 is about 13763.1550525307. The cubic root of 189424437 is about 574.3086203104.

The spelling of 189424437 in words is "one hundred eighty-nine million, four hundred twenty-four thousand, four hundred thirty-seven".