16074389 has 4 divisors (see below), whose sum is σ = 16448256. Its totient is φ = 15700524.

The previous prime is 16074319. The next prime is 16074397. The reversal of 16074389 is 98347061.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16074389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16074319) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 186869 + ... + 186954.

It is an arithmetic number, because the mean of its divisors is an integer number (4112064).

Almost surely, 2^16074389 is an apocalyptic number.

It is an amenable number.

16074389 is a deficient number, since it is larger than the sum of its proper divisors (373867).

16074389 is an equidigital number, since it uses as much as digits as its factorization.

16074389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373866.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 16074389 is about 4009.2878419989. The cubic root of 16074389 is about 252.3741241034.

The spelling of 16074389 in words is "sixteen million, seventy-four thousand, three hundred eighty-nine".