212449392 has 50 divisors (see below), whose sum is σ = 614893928. Its totient is φ = 70816032.

The previous prime is 212449361. The next prime is 212449403. The reversal of 212449392 is 293944212.

212449392 is a `hidden beast` number, since 21 + 244 + 9 + 392 = 666.

212449392 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212449392² = 90269488322339328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

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 9 ways as a sum of consecutive naturals, for example, 80668 + ... + 83259.

Almost surely, 2^212449392 is an apocalyptic number.

It is an amenable number.

212449392 is an abundant number, since it is smaller than the sum of its proper divisors (402444536).

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

212449392 is a wasteful number, since it uses less digits than its factorization.

212449392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163947 (or 163932 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 212449392 is about 14575.6437936717. The cubic root of 212449392 is about 596.6942198124.

The spelling of 212449392 in words is "two hundred twelve million, four hundred forty-nine thousand, three hundred ninety-two".