210423982 has 16 divisors (see below), whose sum is σ = 323373312. Its totient is φ = 102647160.

The previous prime is 210423949. The next prime is 210423989. The reversal of 210423982 is 289324012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210423989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27733 + ... + 34495.

It is an arithmetic number, because the mean of its divisors is an integer number (20210832).

Almost surely, 2^210423982 is an apocalyptic number.

210423982 is a deficient number, since it is larger than the sum of its proper divisors (112949330).

210423982 is a wasteful number, since it uses less digits than its factorization.

210423982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7143.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 210423982 is about 14505.9981387011. The cubic root of 210423982 is about 594.7919447701.

Adding to 210423982 its reverse (289324012), we get a palindrome (499747994).

The spelling of 210423982 in words is "two hundred ten million, four hundred twenty-three thousand, nine hundred eighty-two".