16838445 has 16 divisors (see below), whose sum is σ = 29014272. Its totient is φ = 8289600.

The previous prime is 16838411. The next prime is 16838447. The reversal of 16838445 is 54483861.

It is not a de Polignac number, because 16838445 - 2⁷ = 16838317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16838447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42981 + ... + 43370.

It is an arithmetic number, because the mean of its divisors is an integer number (1813392).

Almost surely, 2^16838445 is an apocalyptic number.

16838445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16838445 is a deficient number, since it is larger than the sum of its proper divisors (12175827).

16838445 is a wasteful number, since it uses less digits than its factorization.

16838445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86372.

The product of its digits is 92160, while the sum is 39.

The square root of 16838445 is about 4103.4674362056. The cubic root of 16838445 is about 256.3110487107.

The spelling of 16838445 in words is "sixteen million, eight hundred thirty-eight thousand, four hundred forty-five".