21048092 has 24 divisors (see below), whose sum is σ = 40233312. Its totient is φ = 9576000.

The previous prime is 21048061. The next prime is 21048103. The reversal of 21048092 is 29084012.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842 + ... + 6542.

It is an arithmetic number, because the mean of its divisors is an integer number (1676388).

Almost surely, 2^21048092 is an apocalyptic number.

It is an amenable number.

21048092 is a deficient number, since it is larger than the sum of its proper divisors (19185220).

21048092 is a wasteful number, since it uses less digits than its factorization.

21048092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5789 (or 5787 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 21048092 is about 4587.8199615940. The cubic root of 21048092 is about 276.1028637099.

The spelling of 21048092 in words is "twenty-one million, forty-eight thousand, ninety-two".