21314862 has 24 divisors (see below), whose sum is σ = 46392840. Its totient is φ = 7072560.

The previous prime is 21314861. The next prime is 21314893. The reversal of 21314862 is 26841312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21314861) 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 11 ways as a sum of consecutive naturals, for example, 1537 + ... + 6707.

It is an arithmetic number, because the mean of its divisors is an integer number (1933035).

Almost surely, 2^21314862 is an apocalyptic number.

21314862 is an abundant number, since it is smaller than the sum of its proper divisors (25077978).

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

21314862 is a wasteful number, since it uses less digits than its factorization.

21314862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5408 (or 5405 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 21314862 is about 4616.8021400099. The cubic root of 21314862 is about 277.2644409567.

The spelling of 21314862 in words is "twenty-one million, three hundred fourteen thousand, eight hundred sixty-two".