16807438 has 12 divisors (see below), whose sum is σ = 26609040. Its totient is φ = 7961076.

The previous prime is 16807429. The next prime is 16807451. The reversal of 16807438 is 83470861.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16807397 and 16807406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10918 + ... + 12361.

It is an arithmetic number, because the mean of its divisors is an integer number (2217420).

Almost surely, 2^16807438 is an apocalyptic number.

16807438 is a deficient number, since it is larger than the sum of its proper divisors (9801602).

16807438 is a wasteful number, since it uses less digits than its factorization.

16807438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23319 (or 23300 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 16807438 is about 4099.6875490701. The cubic root of 16807438 is about 256.1536248328.

The spelling of 16807438 in words is "sixteen million, eight hundred seven thousand, four hundred thirty-eight".