426749808 has 20 divisors (see below), whose sum is σ = 1102437128. Its totient is φ = 142249920.

The previous prime is 426749803. The next prime is 426749809. The reversal of 426749808 is 808947624.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 8890621 = 426749808 / (4 + 2 + 6 + 7 + 4 + 9 + 8 + 0 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426749803) 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, 4445263 + ... + 4445358.

Almost surely, 2^426749808 is an apocalyptic number.

426749808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

426749808 is an abundant number, since it is smaller than the sum of its proper divisors (675687320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426749808 is a wasteful number, since it uses less digits than its factorization.

426749808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8890632 (or 8890626 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 426749808 is about 20657.9236129869. The cubic root of 426749808 is about 752.8777192978.

The spelling of 426749808 in words is "four hundred twenty-six million, seven hundred forty-nine thousand, eight hundred eight".