212408616 has 32 divisors (see below), whose sum is σ = 606882240. Its totient is φ = 60688128.

The previous prime is 212408569. The next prime is 212408629. The reversal of 212408616 is 616804212.

It is an unprimeable number.

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, 632001 + ... + 632336.

It is an arithmetic number, because the mean of its divisors is an integer number (18965070).

Almost surely, 2^212408616 is an apocalyptic number.

It is an amenable number.

212408616 is an abundant number, since it is smaller than the sum of its proper divisors (394473624).

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

212408616 is a wasteful number, since it uses less digits than its factorization.

212408616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264353 (or 1264349 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 212408616 is about 14574.2449547138. The cubic root of 212408616 is about 596.6560423119.

The spelling of 212408616 in words is "two hundred twelve million, four hundred eight thousand, six hundred sixteen".