16380486 has 48 divisors (see below), whose sum is σ = 37908000. Its totient is φ = 5094144.

The previous prime is 16380479. The next prime is 16380491. The reversal of 16380486 is 68408361.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16380486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60760 + ... + 61028.

It is an arithmetic number, because the mean of its divisors is an integer number (789750).

Almost surely, 2^16380486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16380486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18954000).

16380486 is an abundant number, since it is smaller than the sum of its proper divisors (21527514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16380486 is a wasteful number, since it uses less digits than its factorization.

16380486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 16380486 is about 4047.2813097189. The cubic root of 16380486 is about 253.9660090501.

The spelling of 16380486 in words is "sixteen million, three hundred eighty thousand, four hundred eighty-six".