213987088 has 40 divisors (see below), whose sum is σ = 476259200. Its totient is φ = 91238400.

The previous prime is 213987073. The next prime is 213987089. The reversal of 213987088 is 880789312.

It is not an unprimeable number, because it can be changed into a prime (213987089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17488 + ... + 27088.

It is an arithmetic number, because the mean of its divisors is an integer number (11906480).

Almost surely, 2^213987088 is an apocalyptic number.

213987088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213987088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238129600).

213987088 is an abundant number, since it is smaller than the sum of its proper divisors (262272112).

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

213987088 is a wasteful number, since it uses less digits than its factorization.

213987088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9815 (or 9809 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 213987088 is about 14628.2975085961. The cubic root of 213987088 is about 598.1303728007.

The spelling of 213987088 in words is "two hundred thirteen million, nine hundred eighty-seven thousand, eighty-eight".