427135992 has 32 divisors (see below), whose sum is σ = 1096702800. Its totient is φ = 138530304.

The previous prime is 427135981. The next prime is 427135993. The reversal of 427135992 is 299531724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427135993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239617 + ... + 241392.

Almost surely, 2^427135992 is an apocalyptic number.

It is an amenable number.

427135992 is an abundant number, since it is smaller than the sum of its proper divisors (669566808).

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

427135992 is a wasteful number, since it uses less digits than its factorization.

427135992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481055 (or 481051 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 427135992 is about 20667.2686148896. The cubic root of 427135992 is about 753.1047544864.

The spelling of 427135992 in words is "four hundred twenty-seven million, one hundred thirty-five thousand, nine hundred ninety-two".