213064998 has 16 divisors (see below), whose sum is σ = 426308016. Its totient is φ = 70992000.

The previous prime is 213064997. The next prime is 213065023. The reversal of 213064998 is 899460312.

213064998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213064991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12090 + ... + 23922.

It is an arithmetic number, because the mean of its divisors is an integer number (26644251).

Almost surely, 2^213064998 is an apocalyptic number.

213064998 is an abundant number, since it is smaller than the sum of its proper divisors (213243018).

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

213064998 is a wasteful number, since it uses less digits than its factorization.

213064998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14839.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 213064998 is about 14596.7461442611. The cubic root of 213064998 is about 597.2700029214.

The spelling of 213064998 in words is "two hundred thirteen million, sixty-four thousand, nine hundred ninety-eight".