213441794 has 16 divisors (see below), whose sum is σ = 334400832. Its totient is φ = 101983728.

The previous prime is 213441793. The next prime is 213441797. The reversal of 213441794 is 497144312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (213441791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77912 + ... + 80604.

It is an arithmetic number, because the mean of its divisors is an integer number (20900052).

Almost surely, 2^213441794 is an apocalyptic number.

213441794 is a deficient number, since it is larger than the sum of its proper divisors (120959038).

213441794 is a wasteful number, since it uses less digits than its factorization.

213441794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441.

The product of its digits is 24192, while the sum is 35.

The square root of 213441794 is about 14609.6472921149. The cubic root of 213441794 is about 597.6218774155.

The spelling of 213441794 in words is "two hundred thirteen million, four hundred forty-one thousand, seven hundred ninety-four".