213554994 has 8 divisors (see below), whose sum is σ = 427110000. Its totient is φ = 71184996.

The previous prime is 213554993. The next prime is 213555029. The reversal of 213554994 is 499455312.

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

213554994 is an admirable number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (213554993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17796244 + ... + 17796255.

It is an arithmetic number, because the mean of its divisors is an integer number (53388750).

Almost surely, 2^213554994 is an apocalyptic number.

213554994 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.

213554994 is a wasteful number, since it uses less digits than its factorization.

213554994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35592504.

The product of its digits is 194400, while the sum is 42.

The square root of 213554994 is about 14613.5209309735. The cubic root of 213554994 is about 597.7275093993.

The spelling of 213554994 in words is "two hundred thirteen million, five hundred fifty-four thousand, nine hundred ninety-four".