213083786 has 8 divisors (see below), whose sum is σ = 319718784. Its totient is φ = 106510860.

The previous prime is 213083779. The next prime is 213083807. The reversal of 213083786 is 687380312.

It is a happy number.

213083786 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

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, 5690 + ... + 21413.

It is an arithmetic number, because the mean of its divisors is an integer number (39964848).

Almost surely, 2^213083786 is an apocalyptic number.

213083786 is a deficient number, since it is larger than the sum of its proper divisors (106634998).

213083786 is a wasteful number, since it uses less digits than its factorization.

213083786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31036.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 213083786 is about 14597.3896981618. The cubic root of 213083786 is about 597.2875580948.

The spelling of 213083786 in words is "two hundred thirteen million, eighty-three thousand, seven hundred eighty-six".