16534938 has 32 divisors (see below), whose sum is σ = 38318976. Its totient is φ = 4658688.

The previous prime is 16534933. The next prime is 16534949. The reversal of 16534938 is 83943561.

It is a junction number, because it is equal to n+sod(n) for n = 16534896 and 16534905.

It is not an unprimeable number, because it can be changed into a prime (16534933) 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, 370 + ... + 5762.

It is an arithmetic number, because the mean of its divisors is an integer number (1197468).

Almost surely, 2^16534938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16534938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19159488).

16534938 is an abundant number, since it is smaller than the sum of its proper divisors (21784038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16534938 is a wasteful number, since it uses less digits than its factorization.

16534938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5478.

The product of its digits is 77760, while the sum is 39.

The square root of 16534938 is about 4066.3174986712. The cubic root of 16534938 is about 254.7617305277.

The spelling of 16534938 in words is "sixteen million, five hundred thirty-four thousand, nine hundred thirty-eight".