213943038 has 8 divisors (see below), whose sum is σ = 427886088. Its totient is φ = 71314344.

The previous prime is 213943031. The next prime is 213943049. The reversal of 213943038 is 830349312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

213943038 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213943031) 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 3 ways as a sum of consecutive naturals, for example, 17828581 + ... + 17828592.

It is an arithmetic number, because the mean of its divisors is an integer number (53485761).

Almost surely, 2^213943038 is an apocalyptic number.

213943038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

213943038 is a wasteful number, since it uses less digits than its factorization.

213943038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35657178.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 213943038 is about 14626.7917876751. The cubic root of 213943038 is about 598.0893275655.

It can be divided in two parts, 213 and 943038, that added together give a triangular number (943251 = T₁₃₇₃).

The spelling of 213943038 in words is "two hundred thirteen million, nine hundred forty-three thousand, thirty-eight".