212364460 has 96 divisors (see below), whose sum is σ = 571189248. Its totient is φ = 64385280.

The previous prime is 212364443. The next prime is 212364469. The reversal of 212364460 is 64463212.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (212364469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55117 + ... + 58843.

It is an arithmetic number, because the mean of its divisors is an integer number (5949888).

Almost surely, 2^212364460 is an apocalyptic number.

212364460 is a gapful number since it is divisible by the number (20) 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 212364460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285594624).

212364460 is an abundant number, since it is smaller than the sum of its proper divisors (358824788).

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

212364460 is a wasteful number, since it uses less digits than its factorization.

212364460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3791 (or 3789 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 212364460 is about 14572.7300119092. The cubic root of 212364460 is about 596.6146946953.

The spelling of 212364460 in words is "two hundred twelve million, three hundred sixty-four thousand, four hundred sixty".