16363389 has 16 divisors (see below), whose sum is σ = 26247680. Its totient is φ = 8858160.

The previous prime is 16363363. The next prime is 16363393. The reversal of 16363389 is 98336361.

It is not a de Polignac number, because 16363389 - 2¹¹ = 16361341 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 (16363309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20107 + ... + 20904.

It is an arithmetic number, because the mean of its divisors is an integer number (1640480).

Almost surely, 2^16363389 is an apocalyptic number.

16363389 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16363389 is a deficient number, since it is larger than the sum of its proper divisors (9884291).

16363389 is a wasteful number, since it uses less digits than its factorization.

16363389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41040.

The product of its digits is 69984, while the sum is 39.

The square root of 16363389 is about 4045.1685997001. The cubic root of 16363389 is about 253.8776199674.

The spelling of 16363389 in words is "sixteen million, three hundred sixty-three thousand, three hundred eighty-nine".