16994430 has 24 divisors (see below), whose sum is σ = 44185752. Its totient is φ = 4531824.

The previous prime is 16994429. The next prime is 16994437. The reversal of 16994430 is 3449961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16994437) 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 11 ways as a sum of consecutive naturals, for example, 94324 + ... + 94503.

It is an arithmetic number, because the mean of its divisors is an integer number (1841073).

Almost surely, 2^16994430 is an apocalyptic number.

16994430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16994430 is an abundant number, since it is smaller than the sum of its proper divisors (27191322).

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

16994430 is a wasteful number, since it uses less digits than its factorization.

16994430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188840 (or 188837 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 16994430 is about 4122.4301085646. The cubic root of 16994430 is about 257.1000735699.

It can be divided in two parts, 16994 and 430, that added together give a square (17424 = 132²).

The spelling of 16994430 in words is "sixteen million, nine hundred ninety-four thousand, four hundred thirty".