808428049 has 16 divisors (see below), whose sum is σ = 950773824. Its totient is φ = 677678400.

The previous prime is 808427999. The next prime is 808428053. The reversal of 808428049 is 940824808.

It is a cyclic number.

It is not a de Polignac number, because 808428049 - 2²¹ = 806330897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 808427996 and 808428014.

It is not an unprimeable number, because it can be changed into a prime (808428349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163879 + ... + 168739.

It is an arithmetic number, because the mean of its divisors is an integer number (59423364).

Almost surely, 2^808428049 is an apocalyptic number.

It is an amenable number.

808428049 is a deficient number, since it is larger than the sum of its proper divisors (142345775).

808428049 is a wasteful number, since it uses less digits than its factorization.

808428049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6048.

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 808428049 is about 28432.8691658088. The cubic root of 808428049 is about 931.5663468043.

The spelling of 808428049 in words is "eight hundred eight million, four hundred twenty-eight thousand, forty-nine".