426609803 has 4 divisors (see below), whose sum is σ = 426686400. Its totient is φ = 426533208.

The previous prime is 426609779. The next prime is 426609823. The reversal of 426609803 is 308906624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426609803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426609823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29228 + ... + 41321.

It is an arithmetic number, because the mean of its divisors is an integer number (106671600).

Almost surely, 2^426609803 is an apocalyptic number.

426609803 is a deficient number, since it is larger than the sum of its proper divisors (76597).

426609803 is an equidigital number, since it uses as much as digits as its factorization.

426609803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76596.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 426609803 is about 20654.5346836960. The cubic root of 426609803 is about 752.7953773945.

The spelling of 426609803 in words is "four hundred twenty-six million, six hundred nine thousand, eight hundred three".