427538986 has 8 divisors (see below), whose sum is σ = 732924000. Its totient is φ = 183230988.

The previous prime is 427538983. The next prime is 427538987. The reversal of 427538986 is 689835724.

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

It is not an unprimeable number, because it can be changed into a prime (427538983) 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 3 ways as a sum of consecutive naturals, for example, 15269236 + ... + 15269263.

It is an arithmetic number, because the mean of its divisors is an integer number (91615500).

Almost surely, 2^427538986 is an apocalyptic number.

427538986 is a deficient number, since it is larger than the sum of its proper divisors (305385014).

427538986 is a wasteful number, since it uses less digits than its factorization.

427538986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30538508.

The product of its digits is 2903040, while the sum is 52.

The square root of 427538986 is about 20677.0158872116. The cubic root of 427538986 is about 753.3415263073.

The spelling of 427538986 in words is "four hundred twenty-seven million, five hundred thirty-eight thousand, nine hundred eighty-six".