212461404 has 24 divisors (see below), whose sum is σ = 496003200. Its totient is φ = 70783344.

The previous prime is 212461343. The next prime is 212461411. The reversal of 212461404 is 404164212.

It is a happy number.

212461404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28897 + ... + 35495.

It is an arithmetic number, because the mean of its divisors is an integer number (20666800).

Almost surely, 2^212461404 is an apocalyptic number.

It is an amenable number.

212461404 is an abundant number, since it is smaller than the sum of its proper divisors (283541796).

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

212461404 is a wasteful number, since it uses less digits than its factorization.

212461404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9289 (or 9287 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 212461404 is about 14576.0558451180. The cubic root of 212461404 is about 596.7054654018.

The spelling of 212461404 in words is "two hundred twelve million, four hundred sixty-one thousand, four hundred four".