26421392 has 20 divisors (see below), whose sum is σ = 51841920. Its totient is φ = 13042848.

The previous prime is 26421377. The next prime is 26421427. The reversal of 26421392 is 29312462.

It is a super-3 number, since 3×26421392³ (a number of 23 digits) contains 333 as substring.

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, 9188 + ... + 11715.

It is an arithmetic number, because the mean of its divisors is an integer number (2592096).

Almost surely, 2^26421392 is an apocalyptic number.

It is an amenable number.

26421392 is a deficient number, since it is larger than the sum of its proper divisors (25420528).

26421392 is a wasteful number, since it uses less digits than its factorization.

26421392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20990 (or 20984 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 26421392 is about 5140.1743161103. The cubic root of 26421392 is about 297.8415144542.

The spelling of 26421392 in words is "twenty-six million, four hundred twenty-one thousand, three hundred ninety-two".