21048034 has 8 divisors (see below), whose sum is σ = 36082368. Its totient is φ = 9020580.

The previous prime is 21048019. The next prime is 21048061. The reversal of 21048034 is 43084012.

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

It is a junction number, because it is equal to n+sod(n) for n = 21047996 and 21048014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751702 + ... + 751729.

It is an arithmetic number, because the mean of its divisors is an integer number (4510296).

Almost surely, 2^21048034 is an apocalyptic number.

21048034 is a deficient number, since it is larger than the sum of its proper divisors (15034334).

21048034 is a wasteful number, since it uses less digits than its factorization.

21048034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503440.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 21048034 is about 4587.8136405046. The cubic root of 21048034 is about 276.1026101005.

The spelling of 21048034 in words is "twenty-one million, forty-eight thousand, thirty-four".