189410738 has 12 divisors (see below), whose sum is σ = 312293310. Its totient is φ = 86095680.

The previous prime is 189410707. The next prime is 189410783. The reversal of 189410738 is 837014981.

189410738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 172213129 + 17197609 = 13123^2 + 4147^2 .

It is a junction number, because it is equal to n+sod(n) for n = 189410695 and 189410704.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 391103 + ... + 391586.

Almost surely, 2^189410738 is an apocalyptic number.

189410738 is a deficient number, since it is larger than the sum of its proper divisors (122882572).

189410738 is a wasteful number, since it uses less digits than its factorization.

189410738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782713 (or 782702 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 189410738 is about 13762.6573742137. The cubic root of 189410738 is about 574.2947754873.

The spelling of 189410738 in words is "one hundred eighty-nine million, four hundred ten thousand, seven hundred thirty-eight".