420531927 has 8 divisors (see below), whose sum is σ = 562892016. Its totient is φ = 279263232.

The previous prime is 420531913. The next prime is 420531949. The reversal of 420531927 is 729135024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420531927 - 2⁴ = 420531911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420531967) 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, 271948 + ... + 273489.

It is an arithmetic number, because the mean of its divisors is an integer number (70361502).

Almost surely, 2^420531927 is an apocalyptic number.

420531927 is a deficient number, since it is larger than the sum of its proper divisors (142360089).

420531927 is a wasteful number, since it uses less digits than its factorization.

420531927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545697.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 420531927 is about 20506.8751154338. The cubic root of 420531927 is about 749.2032587932.

The spelling of 420531927 in words is "four hundred twenty million, five hundred thirty-one thousand, nine hundred twenty-seven".