21343002 has 8 divisors (see below), whose sum is σ = 42686016. Its totient is φ = 7114332.

The previous prime is 21342989. The next prime is 21343009. The reversal of 21343002 is 20034312.

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

21343002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (21343009) 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, 1778578 + ... + 1778589.

It is an arithmetic number, because the mean of its divisors is an integer number (5335752).

Almost surely, 2^21343002 is an apocalyptic number.

21343002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21343002 is a wasteful number, since it uses less digits than its factorization.

21343002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557172.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 21343002 is about 4619.8486988212. The cubic root of 21343002 is about 277.3864026560.

Adding to 21343002 its reverse (20034312), we get a palindrome (41377314).

The spelling of 21343002 in words is "twenty-one million, three hundred forty-three thousand, two".