212084438 has 8 divisors (see below), whose sum is σ = 318465432. Its totient is φ = 105929296.

The previous prime is 212084377. The next prime is 212084459. The reversal of 212084438 is 834480212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 54095 + ... + 57882.

It is an arithmetic number, because the mean of its divisors is an integer number (39808179).

Almost surely, 2^212084438 is an apocalyptic number.

212084438 is a deficient number, since it is larger than the sum of its proper divisors (106380994).

212084438 is a wasteful number, since it uses less digits than its factorization.

212084438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112926.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 212084438 is about 14563.1191027197. The cubic root of 212084438 is about 596.3523489712.

The spelling of 212084438 in words is "two hundred twelve million, eighty-four thousand, four hundred thirty-eight".