16290380 has 24 divisors (see below), whose sum is σ = 34723248. Its totient is φ = 6418368.

The previous prime is 16290367. The next prime is 16290389. The reversal of 16290380 is 8309261.

It is a super-3 number, since 3×16290380³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16290389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4739 + ... + 7418.

It is an arithmetic number, because the mean of its divisors is an integer number (1446802).

Almost surely, 2^16290380 is an apocalyptic number.

16290380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16290380 is an abundant number, since it is smaller than the sum of its proper divisors (18432868).

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

16290380 is a wasteful number, since it uses less digits than its factorization.

16290380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12233 (or 12231 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 16290380 is about 4036.1342891435. The cubic root of 16290380 is about 253.4994793459.

The spelling of 16290380 in words is "sixteen million, two hundred ninety thousand, three hundred eighty".