16930540 has 48 divisors (see below), whose sum is σ = 39753504. Its totient is φ = 6003200.

The previous prime is 16930523. The next prime is 16930541. The reversal of 16930540 is 4503961.

16930540 = T₃₆₈ + T₃₆₉ + ... + T₅₃₂.

It is a junction number, because it is equal to n+sod(n) for n = 16930499 and 16930508.

It is not an unprimeable number, because it can be changed into a prime (16930541) 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 in 15 ways as a sum of consecutive naturals, for example, 8082 + ... + 9958.

It is an arithmetic number, because the mean of its divisors is an integer number (828198).

Almost surely, 2^16930540 is an apocalyptic number.

16930540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16930540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19876752).

16930540 is an abundant number, since it is smaller than the sum of its proper divisors (22822964).

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

16930540 is a wasteful number, since it uses less digits than its factorization.

16930540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938 (or 1936 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 16930540 is about 4114.6737416228. The cubic root of 16930540 is about 256.7774825544. Note that the first 3 decimals are identical.

The spelling of 16930540 in words is "sixteen million, nine hundred thirty thousand, five hundred forty".