21414050 has 96 divisors (see below), whose sum is σ = 49818240. Its totient is φ = 6681600.

The previous prime is 21414049. The next prime is 21414053. The reversal of 21414050 is 5041412.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (21414053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 351020 + ... + 351080.

It is an arithmetic number, because the mean of its divisors is an integer number (518940).

Almost surely, 2^21414050 is an apocalyptic number.

21414050 is an abundant number, since it is smaller than the sum of its proper divisors (28404190).

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

21414050 is a wasteful number, since it uses less digits than its factorization.

21414050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 21414050 is about 4627.5317394914. The cubic root of 21414050 is about 277.6938558333.

Adding to 21414050 its reverse (5041412), we get a palindrome (26455462).

The spelling of 21414050 in words is "twenty-one million, four hundred fourteen thousand, fifty".