21041358 has 16 divisors (see below), whose sum is σ = 45320016. Its totient is φ = 6474240.

The previous prime is 21041357. The next prime is 21041369. The reversal of 21041358 is 85314012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21041353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134803 + ... + 134958.

It is an arithmetic number, because the mean of its divisors is an integer number (2832501).

Almost surely, 2^21041358 is an apocalyptic number.

21041358 is an abundant number, since it is smaller than the sum of its proper divisors (24278658).

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

21041358 is a wasteful number, since it uses less digits than its factorization.

21041358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269779.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 21041358 is about 4587.0860031179. The cubic root of 21041358 is about 276.0734156725.

The spelling of 21041358 in words is "twenty-one million, forty-one thousand, three hundred fifty-eight".