16256438 has 16 divisors (see below), whose sum is σ = 28002240. Its totient is φ = 7000200.

The previous prime is 16256413. The next prime is 16256483. The reversal of 16256438 is 83465261.

It is a junction number, because it is equal to n+sod(n) for n = 16256398 and 16256407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19028 + ... + 19863.

It is an arithmetic number, because the mean of its divisors is an integer number (1750140).

Almost surely, 2^16256438 is an apocalyptic number.

16256438 is a deficient number, since it is larger than the sum of its proper divisors (11745802).

16256438 is a wasteful number, since it uses less digits than its factorization.

16256438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38923.

The product of its digits is 34560, while the sum is 35.

The square root of 16256438 is about 4031.9273306943. The cubic root of 16256438 is about 253.3232963860.

The spelling of 16256438 in words is "sixteen million, two hundred fifty-six thousand, four hundred thirty-eight".