926421 has 8 divisors (see below), whose sum is σ = 1300320. Its totient is φ = 585072.

The previous prime is 926411. The next prime is 926423. The reversal of 926421 is 124629.

926421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 926421 - 2⁵ = 926389 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 926391 and 926400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (926423) 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, 8070 + ... + 8183.

It is an arithmetic number, because the mean of its divisors is an integer number (162540).

2⁹²⁶⁴²¹ is an apocalyptic number.

It is an amenable number.

926421 is a deficient number, since it is larger than the sum of its proper divisors (373899).

926421 is a wasteful number, since it uses less digits than its factorization.

926421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16275.

The product of its digits is 864, while the sum is 24.

The square root of 926421 is about 962.5076623072. The cubic root of 926421 is about 97.4846261098.

The spelling of 926421 in words is "nine hundred twenty-six thousand, four hundred twenty-one".