21362106 has 16 divisors (see below), whose sum is σ = 43148448. Its totient is φ = 7050000.

The previous prime is 21362057. The next prime is 21362113. The reversal of 21362106 is 60126312.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17020 + ... + 18231.

It is an arithmetic number, because the mean of its divisors is an integer number (2696778).

Almost surely, 2^21362106 is an apocalyptic number.

21362106 is an abundant number, since it is smaller than the sum of its proper divisors (21786342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21362106 is a wasteful number, since it uses less digits than its factorization.

21362106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35357.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 21362106 is about 4621.9158365336. The cubic root of 21362106 is about 277.4691403067.

Adding to 21362106 its reverse (60126312), we get a palindrome (81488418).

The spelling of 21362106 in words is "twenty-one million, three hundred sixty-two thousand, one hundred six".