16838330 has 32 divisors (see below), whose sum is σ = 32971536. Its totient is φ = 6165504.

The previous prime is 16838329. The next prime is 16838377. The reversal of 16838330 is 3383861.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 8082649 + 8755681 = 2843^2 + 2959^2 .

It is a Curzon number.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4952 + ... + 7628.

Almost surely, 2^16838330 is an apocalyptic number.

16838330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16838330 is a deficient number, since it is larger than the sum of its proper divisors (16133206).

16838330 is a wasteful number, since it uses less digits than its factorization.

16838330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2738.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 16838330 is about 4103.4534236421. The cubic root of 16838330 is about 256.3104652079.

The spelling of 16838330 in words is "sixteen million, eight hundred thirty-eight thousand, three hundred thirty".