211023982 has 8 divisors (see below), whose sum is σ = 340884936. Its totient is φ = 97395672.

The previous prime is 211023973. The next prime is 211024001. The reversal of 211023982 is 289320112.

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

It is a super-2 number, since 2×211023982² = 89062241958272648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211023982.

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, 4058128 + ... + 4058179.

It is an arithmetic number, because the mean of its divisors is an integer number (42610617).

Almost surely, 2^211023982 is an apocalyptic number.

211023982 is a deficient number, since it is larger than the sum of its proper divisors (129860954).

211023982 is a wasteful number, since it uses less digits than its factorization.

211023982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8116322.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 211023982 is about 14526.6645173625. The cubic root of 211023982 is about 595.3567354426.

The spelling of 211023982 in words is "two hundred eleven million, twenty-three thousand, nine hundred eighty-two".