653426 has 8 divisors (see below), whose sum is σ = 984960. Its totient is φ = 325108.

The previous prime is 653363. The next prime is 653431. The reversal of 653426 is 624356.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 653395 and 653404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206 + ... + 1161.

It is an arithmetic number, because the mean of its divisors is an integer number (123120).

2⁶⁵³⁴²⁶ is an apocalyptic number.

653426 is a deficient number, since it is larger than the sum of its proper divisors (331534).

653426 is a wasteful number, since it uses less digits than its factorization.

653426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608.

The product of its digits is 4320, while the sum is 26.

The square root of 653426 is about 808.3476974669. The cubic root of 653426 is about 86.7758354729.

The spelling of 653426 in words is "six hundred fifty-three thousand, four hundred twenty-six".