16433290 has 16 divisors (see below), whose sum is σ = 31137120. Its totient is φ = 6227280.

The previous prime is 16433281. The next prime is 16433297. The reversal of 16433290 is 9233461.

It is not an unprimeable number, because it can be changed into a prime (16433297) 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, 43056 + ... + 43435.

It is an arithmetic number, because the mean of its divisors is an integer number (1946070).

Almost surely, 2^16433290 is an apocalyptic number.

16433290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16433290 is a deficient number, since it is larger than the sum of its proper divisors (14703830).

16433290 is a wasteful number, since it uses less digits than its factorization.

16433290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86517.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 16433290 is about 4053.7994523656. The cubic root of 16433290 is about 254.2386105872.

The spelling of 16433290 in words is "sixteen million, four hundred thirty-three thousand, two hundred ninety".