212088438 has 12 divisors (see below), whose sum is σ = 459524988. Its totient is φ = 70696140.

The previous prime is 212088353. The next prime is 212088439. The reversal of 212088438 is 834880212.

It is a happy number.

212088438 is a `hidden beast` number, since 212 + 0 + 8 + 8 + 438 = 666.

212088438 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (212088439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5891328 + ... + 5891363.

It is an arithmetic number, because the mean of its divisors is an integer number (38293749).

Almost surely, 2^212088438 is an apocalyptic number.

212088438 is an abundant number, since it is smaller than the sum of its proper divisors (247436550).

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

212088438 is a wasteful number, since it uses less digits than its factorization.

212088438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11782699 (or 11782696 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 212088438 is about 14563.2564352895. The cubic root of 212088438 is about 596.3560980980.

It can be divided in two parts, 21208 and 8438, that added together give a triangular number (29646 = T₂₄₃).

The spelling of 212088438 in words is "two hundred twelve million, eighty-eight thousand, four hundred thirty-eight".