427231432 has 8 divisors (see below), whose sum is σ = 801058950. Its totient is φ = 213615712.

The previous prime is 427231421. The next prime is 427231459. The reversal of 427231432 is 234132724.

It can be written as a sum of positive squares in only one way, i.e., 379704196 + 47527236 = 19486^2 + 6894^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 427231432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26701957 + ... + 26701972.

Almost surely, 2^427231432 is an apocalyptic number.

It is an amenable number.

427231432 is a deficient number, since it is larger than the sum of its proper divisors (373827518).

427231432 is a wasteful number, since it uses less digits than its factorization.

427231432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53403935 (or 53403931 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 427231432 is about 20669.5774509301. The cubic root of 427231432 is about 753.1608419826.

The spelling of 427231432 in words is "four hundred twenty-seven million, two hundred thirty-one thousand, four hundred thirty-two".