16255398 has 8 divisors (see below), whose sum is σ = 32510808. Its totient is φ = 5418464.

The previous prime is 16255391. The next prime is 16255403. The reversal of 16255398 is 89355261.

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

16255398 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16255391) 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 3 ways as a sum of consecutive naturals, for example, 1354611 + ... + 1354622.

It is an arithmetic number, because the mean of its divisors is an integer number (4063851).

Almost surely, 2^16255398 is an apocalyptic number.

16255398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16255398 is a wasteful number, since it uses less digits than its factorization.

16255398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709238.

The product of its digits is 64800, while the sum is 39.

The square root of 16255398 is about 4031.7983580531. The cubic root of 16255398 is about 253.3178941807.

It can be divided in two parts, 16255 and 398, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 16255398 in words is "sixteen million, two hundred fifty-five thousand, three hundred ninety-eight".