21094300 has 18 divisors (see below), whose sum is σ = 45774848. Its totient is φ = 8437680.

The previous prime is 21094279. The next prime is 21094357. The reversal of 21094300 is 349012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105372 + ... + 105571.

Almost surely, 2^21094300 is an apocalyptic number.

21094300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21094300 is an abundant number, since it is smaller than the sum of its proper divisors (24680548).

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

21094300 is a wasteful number, since it uses less digits than its factorization.

21094300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210957 (or 210950 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 21094300 is about 4592.8531437441. The cubic root of 21094300 is about 276.3047638199.

The spelling of 21094300 in words is "twenty-one million, ninety-four thousand, three hundred".