212046864 has 40 divisors (see below), whose sum is σ = 548328000. Its totient is φ = 70612608.

The previous prime is 212046853. The next prime is 212046871. The reversal of 212046864 is 468640212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75762 + ... + 78510.

It is an arithmetic number, because the mean of its divisors is an integer number (13708200).

Almost surely, 2^212046864 is an apocalyptic number.

212046864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212046864 is an abundant number, since it is smaller than the sum of its proper divisors (336281136).

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

212046864 is a wasteful number, since it uses less digits than its factorization.

212046864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4367 (or 4361 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 212046864 is about 14561.8290060006. The cubic root of 212046864 is about 596.3171292465.

It can be divided in two parts, 2120 and 46864, that added together give a palindrome (48984).

The spelling of 212046864 in words is "two hundred twelve million, forty-six thousand, eight hundred sixty-four".