16838890 has 16 divisors (see below), whose sum is σ = 31288320. Its totient is φ = 6518160.

The previous prime is 16838881. The next prime is 16838893. The reversal of 16838890 is 9883861.

It is a happy number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (16838893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26850 + ... + 27469.

It is an arithmetic number, because the mean of its divisors is an integer number (1955520).

Almost surely, 2^16838890 is an apocalyptic number.

16838890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16838890 is a deficient number, since it is larger than the sum of its proper divisors (14449430).

16838890 is a wasteful number, since it uses less digits than its factorization.

16838890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54357.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 16838890 is about 4103.5216582833. The cubic root of 16838890 is about 256.3133065876.

The spelling of 16838890 in words is "sixteen million, eight hundred thirty-eight thousand, eight hundred ninety".