213088 has 12 divisors (see below), whose sum is σ = 419580. Its totient is φ = 106528.

The previous prime is 213079. The next prime is 213091. The reversal of 213088 is 880312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3298 + ... + 3361.

It is an arithmetic number, because the mean of its divisors is an integer number (34965).

2²¹³⁰⁸⁸ is an apocalyptic number.

It is an amenable number.

213088 is a deficient number, since it is larger than the sum of its proper divisors (206492).

213088 is an equidigital number, since it uses as much as digits as its factorization.

213088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6669 (or 6661 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 213088 is about 461.6145578294. The cubic root of 213088 is about 59.7291495440.

It can be divided in two parts, 21308 and 8, that added together give a square (21316 = 146²).

The spelling of 213088 in words is "two hundred thirteen thousand, eighty-eight".