16389046 has 8 divisors (see below), whose sum is σ = 24731280. Its totient is φ = 8145288.

The previous prime is 16389019. The next prime is 16389047. The reversal of 16389046 is 64098361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 16388996 and 16389014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16389047) 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, 24201 + ... + 24868.

It is an arithmetic number, because the mean of its divisors is an integer number (3091410).

Almost surely, 2^16389046 is an apocalyptic number.

16389046 is a deficient number, since it is larger than the sum of its proper divisors (8342234).

16389046 is a wasteful number, since it uses less digits than its factorization.

16389046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49238.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 16389046 is about 4048.3386716035. The cubic root of 16389046 is about 254.0102399410.

The spelling of 16389046 in words is "sixteen million, three hundred eighty-nine thousand, forty-six".