427155084 has 36 divisors (see below), whose sum is σ = 1108939104. Its totient is φ = 138536352.

The previous prime is 427155067. The next prime is 427155089. The reversal of 427155084 is 480551724.

427155084 is a `hidden beast` number, since 4 + 27 + 1 + 550 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×427155084² = 364922931574094112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (427155089) 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 11 ways as a sum of consecutive naturals, for example, 159012 + ... + 161675.

It is an arithmetic number, because the mean of its divisors is an integer number (30803864).

Almost surely, 2^427155084 is an apocalyptic number.

It is an amenable number.

427155084 is an abundant number, since it is smaller than the sum of its proper divisors (681784020).

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

427155084 is a wasteful number, since it uses less digits than its factorization.

427155084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320734 (or 320729 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 427155084 is about 20667.7304995009. The cubic root of 427155084 is about 753.1159750048.

The spelling of 427155084 in words is "four hundred twenty-seven million, one hundred fifty-five thousand, eighty-four".