427128996 has 24 divisors (see below), whose sum is σ = 1139010880. Its totient is φ = 122036832.

The previous prime is 427128991. The next prime is 427129007. The reversal of 427128996 is 699821724.

It is not an unprimeable number, because it can be changed into a prime (427128991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2542351 + ... + 2542518.

Almost surely, 2^427128996 is an apocalyptic number.

It is an amenable number.

427128996 is an abundant number, since it is smaller than the sum of its proper divisors (711881884).

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

427128996 is a wasteful number, since it uses less digits than its factorization.

427128996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5084883 (or 5084881 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 427128996 is about 20667.0993610618. The cubic root of 427128996 is about 753.1006427985.

The spelling of 427128996 in words is "four hundred twenty-seven million, one hundred twenty-eight thousand, nine hundred ninety-six".