213794370 has 64 divisors (see below), whose sum is σ = 577981440. Its totient is φ = 56225664.

The previous prime is 213794333. The next prime is 213794381. The reversal of 213794370 is 73497312.

213794370 is a `hidden beast` number, since 213 + 7 + 9 + 437 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14287 + ... + 25133.

It is an arithmetic number, because the mean of its divisors is an integer number (9030960).

Almost surely, 2^213794370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213794370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288990720).

213794370 is an abundant number, since it is smaller than the sum of its proper divisors (364187070).

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

213794370 is a wasteful number, since it uses less digits than its factorization.

213794370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10936 (or 10930 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 213794370 is about 14621.7088604581. The cubic root of 213794370 is about 597.9507589869.

The spelling of 213794370 in words is "two hundred thirteen million, seven hundred ninety-four thousand, three hundred seventy".