213004104 has 32 divisors (see below), whose sum is σ = 555664320. Its totient is φ = 67914176.

The previous prime is 213004087. The next prime is 213004109. The reversal of 213004104 is 401400312.

It is not an unprimeable number, because it can be changed into a prime (213004109) 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, 192387 + ... + 193490.

It is an arithmetic number, because the mean of its divisors is an integer number (17364510).

Almost surely, 2^213004104 is an apocalyptic number.

213004104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

213004104 is an abundant number, since it is smaller than the sum of its proper divisors (342660216).

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

213004104 is a wasteful number, since it uses less digits than its factorization.

213004104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385909 (or 385905 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 213004104 is about 14594.6601193724. The cubic root of 213004104 is about 597.2130975555.

Adding to 213004104 its reverse (401400312), we get a palindrome (614404416).

The spelling of 213004104 in words is "two hundred thirteen million, four thousand, one hundred four".