212870449 has 8 divisors (see below), whose sum is σ = 232806240. Its totient is φ = 193032000.

The previous prime is 212870429. The next prime is 212870479. The reversal of 212870449 is 944078212.

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

It is a cyclic number.

It is not a de Polignac number, because 212870449 - 2²³ = 204481841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212870429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19719 + ... + 28540.

It is an arithmetic number, because the mean of its divisors is an integer number (29100780).

Almost surely, 2^212870449 is an apocalyptic number.

It is an amenable number.

212870449 is a deficient number, since it is larger than the sum of its proper divisors (19935791).

212870449 is a wasteful number, since it uses less digits than its factorization.

212870449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48671.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 212870449 is about 14590.0805001206. The cubic root of 212870449 is about 597.0881590903.

The spelling of 212870449 in words is "two hundred twelve million, eight hundred seventy thousand, four hundred forty-nine".