427243929 has 32 divisors (see below), whose sum is σ = 688005120. Its totient is φ = 230548032.

The previous prime is 427243919. The next prime is 427243931. The reversal of 427243929 is 929342724.

It is not a de Polignac number, because 427243929 - 2⁷ = 427243801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427243909) 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 31 ways as a sum of consecutive naturals, for example, 32559 + ... + 43755.

It is an arithmetic number, because the mean of its divisors is an integer number (21500160).

Almost surely, 2^427243929 is an apocalyptic number.

It is an amenable number.

427243929 is a deficient number, since it is larger than the sum of its proper divisors (260761191).

427243929 is a wasteful number, since it uses less digits than its factorization.

427243929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11309.

The product of its digits is 217728, while the sum is 42.

The square root of 427243929 is about 20669.8797529158. The cubic root of 427243929 is about 753.1681855117.

The spelling of 427243929 in words is "four hundred twenty-seven million, two hundred forty-three thousand, nine hundred twenty-nine".