16389034 has 4 divisors (see below), whose sum is σ = 24583554. Its totient is φ = 8194516.

The previous prime is 16389019. The next prime is 16389047. The reversal of 16389034 is 43098361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15233409 + 1155625 = 3903^2 + 1075^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4097257 + ... + 4097260.

Almost surely, 2^16389034 is an apocalyptic number.

16389034 is a deficient number, since it is larger than the sum of its proper divisors (8194520).

16389034 is an equidigital number, since it uses as much as digits as its factorization.

16389034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8194519.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 16389034 is about 4048.3371895137. The cubic root of 16389034 is about 254.0101779458.

The spelling of 16389034 in words is "sixteen million, three hundred eighty-nine thousand, thirty-four".