212790833 has 4 divisors (see below), whose sum is σ = 212823408. Its totient is φ = 212758260.

The previous prime is 212790829. The next prime is 212790841. The reversal of 212790833 is 338097212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212790833 - 2² = 212790829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212790793 and 212790802.

It is not an unprimeable number, because it can be changed into a prime (212790803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2723 + ... + 20808.

It is an arithmetic number, because the mean of its divisors is an integer number (53205852).

Almost surely, 2^212790833 is an apocalyptic number.

It is an amenable number.

212790833 is a deficient number, since it is larger than the sum of its proper divisors (32575).

212790833 is an equidigital number, since it uses as much as digits as its factorization.

212790833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32574.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 212790833 is about 14587.3518158712. The cubic root of 212790833 is about 597.0137105248.

The spelling of 212790833 in words is "two hundred twelve million, seven hundred ninety thousand, eight hundred thirty-three".