213956086 has 8 divisors (see below), whose sum is σ = 325454544. Its totient is φ = 105471240.

The previous prime is 213956059. The next prime is 213956087. The reversal of 213956086 is 680659312.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213956087) 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, 753225 + ... + 753508.

It is an arithmetic number, because the mean of its divisors is an integer number (40681818).

Almost surely, 2^213956086 is an apocalyptic number.

213956086 is a deficient number, since it is larger than the sum of its proper divisors (111498458).

213956086 is a wasteful number, since it uses less digits than its factorization.

213956086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506806.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 213956086 is about 14627.2378116991. The cubic root of 213956086 is about 598.1014861148.

The spelling of 213956086 in words is "two hundred thirteen million, nine hundred fifty-six thousand, eighty-six".