426378808 has 16 divisors (see below), whose sum is σ = 800034480. Its totient is φ = 213036288.

The previous prime is 426378779. The next prime is 426378809. The reversal of 426378808 is 808873624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426378809) 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, 6841 + ... + 29992.

It is an arithmetic number, because the mean of its divisors is an integer number (50002155).

Almost surely, 2^426378808 is an apocalyptic number.

It is an amenable number.

426378808 is a deficient number, since it is larger than the sum of its proper divisors (373655672).

426378808 is a wasteful number, since it uses less digits than its factorization.

426378808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38286 (or 38282 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 46.

The square root of 426378808 is about 20648.9420552240. The cubic root of 426378808 is about 752.6594816556.

The spelling of 426378808 in words is "four hundred twenty-six million, three hundred seventy-eight thousand, eight hundred eight".