212028359 has 4 divisors (see below), whose sum is σ = 215622120. Its totient is φ = 208434600.

The previous prime is 212028317. The next prime is 212028361. The reversal of 212028359 is 953820212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212028359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212028379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1796792 + ... + 1796909.

It is an arithmetic number, because the mean of its divisors is an integer number (53905530).

Almost surely, 2^212028359 is an apocalyptic number.

212028359 is a deficient number, since it is larger than the sum of its proper divisors (3593761).

212028359 is an equidigital number, since it uses as much as digits as its factorization.

212028359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593760.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 212028359 is about 14561.1935980537. The cubic root of 212028359 is about 596.2997821857.

The spelling of 212028359 in words is "two hundred twelve million, twenty-eight thousand, three hundred fifty-nine".