210994470 has 112 divisors (see below), whose sum is σ = 576999072. Its totient is φ = 55520640.

The previous prime is 210994451. The next prime is 210994471. The reversal of 210994470 is 74499012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210994471) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 750730 + ... + 751010.

Almost surely, 2^210994470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210994470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288499536).

210994470 is an abundant number, since it is smaller than the sum of its proper divisors (366004602).

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

210994470 is a wasteful number, since it uses less digits than its factorization.

210994470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 210994470 is about 14525.6486946367. The cubic root of 210994470 is about 595.3289803237.

The spelling of 210994470 in words is "two hundred ten million, nine hundred ninety-four thousand, four hundred seventy".