212749798 has 8 divisors (see below), whose sum is σ = 337896792. Its totient is φ = 100117536.

The previous prime is 212749763. The next prime is 212749819. The reversal of 212749798 is 897947212.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3128640 + ... + 3128707.

It is an arithmetic number, because the mean of its divisors is an integer number (42237099).

Almost surely, 2^212749798 is an apocalyptic number.

212749798 is a deficient number, since it is larger than the sum of its proper divisors (125146994).

212749798 is a wasteful number, since it uses less digits than its factorization.

212749798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6257366.

The product of its digits is 508032, while the sum is 49.

The square root of 212749798 is about 14585.9452213424. The cubic root of 212749798 is about 596.9753316276.

The spelling of 212749798 in words is "two hundred twelve million, seven hundred forty-nine thousand, seven hundred ninety-eight".