218087352 has 48 divisors (see below), whose sum is σ = 675033840. Its totient is φ = 62310528.

The previous prime is 218087347. The next prime is 218087369. The reversal of 218087352 is 253780812.

218087352 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215853 + ... + 216860.

It is an arithmetic number, because the mean of its divisors is an integer number (14063205).

Almost surely, 2^218087352 is an apocalyptic number.

It is an amenable number.

218087352 is an abundant number, since it is smaller than the sum of its proper divisors (456946488).

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

218087352 is a wasteful number, since it uses less digits than its factorization.

218087352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432732 (or 432725 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 218087352 is about 14767.7808759475. The cubic root of 218087352 is about 601.9265407802.

The spelling of 218087352 in words is "two hundred eighteen million, eighty-seven thousand, three hundred fifty-two".