212094684 has 72 divisors (see below), whose sum is σ = 577554432. Its totient is φ = 65435040.

The previous prime is 212094683. The next prime is 212094761. The reversal of 212094684 is 486490212.

212094684 is digitally balanced in base 2 and base 3, because in such bases 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 not an unprimeable number, because it can be changed into a prime (212094683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21537 + ... + 29799.

Almost surely, 2^212094684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212094684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288777216).

212094684 is an abundant number, since it is smaller than the sum of its proper divisors (365459748).

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

212094684 is a wasteful number, since it uses less digits than its factorization.

212094684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8327 (or 8322 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 212094684 is about 14563.4708775072. The cubic root of 212094684 is about 596.3619522654.

The spelling of 212094684 in words is "two hundred twelve million, ninety-four thousand, six hundred eighty-four".