21119358 has 16 divisors (see below), whose sum is σ = 45488016. Its totient is φ = 6498240.

The previous prime is 21119333. The next prime is 21119363. The reversal of 21119358 is 85391112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135303 + ... + 135458.

It is an arithmetic number, because the mean of its divisors is an integer number (2843001).

Almost surely, 2^21119358 is an apocalyptic number.

21119358 is an abundant number, since it is smaller than the sum of its proper divisors (24368658).

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

21119358 is a wasteful number, since it uses less digits than its factorization.

21119358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270779.

The product of its digits is 2160, while the sum is 30.

The square root of 21119358 is about 4595.5802680402. The cubic root of 21119358 is about 276.4141283566.

The spelling of 21119358 in words is "twenty-one million, one hundred nineteen thousand, three hundred fifty-eight".