16938046 has 4 divisors (see below), whose sum is σ = 25407072. Its totient is φ = 8469022.

The previous prime is 16938023. The next prime is 16938049. The reversal of 16938046 is 64083961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64083961 = 71 ⋅902591.

It is a junction number, because it is equal to n+sod(n) for n = 16937996 and 16938014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16938049) 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 as a sum of consecutive naturals, namely, 4234510 + ... + 4234513.

It is an arithmetic number, because the mean of its divisors is an integer number (6351768).

Almost surely, 2^16938046 is an apocalyptic number.

16938046 is a deficient number, since it is larger than the sum of its proper divisors (8469026).

16938046 is an equidigital number, since it uses as much as digits as its factorization.

16938046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8469025.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 16938046 is about 4115.5857420299. The cubic root of 16938046 is about 256.8154235972.

The spelling of 16938046 in words is "sixteen million, nine hundred thirty-eight thousand, forty-six".