16801238 has 4 divisors (see below), whose sum is σ = 25201860. Its totient is φ = 8400618.

The previous prime is 16801223. The next prime is 16801243. The reversal of 16801238 is 83210861.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 16801238.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4200308 + ... + 4200311.

It is an arithmetic number, because the mean of its divisors is an integer number (6300465).

Almost surely, 2^16801238 is an apocalyptic number.

16801238 is a deficient number, since it is larger than the sum of its proper divisors (8400622).

16801238 is an equidigital number, since it uses as much as digits as its factorization.

16801238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8400621.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 16801238 is about 4098.9313241380. The cubic root of 16801238 is about 256.1221239422.

The spelling of 16801238 in words is "sixteen million, eight hundred one thousand, two hundred thirty-eight".