427939620 has 24 divisors (see below), whose sum is σ = 1198231104. Its totient is φ = 114117216.

The previous prime is 427939601. The next prime is 427939627. The reversal of 427939620 is 26939724.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (427939627) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 3566104 + ... + 3566223.

It is an arithmetic number, because the mean of its divisors is an integer number (49926296).

Almost surely, 2^427939620 is an apocalyptic number.

It is an amenable number.

427939620 is an abundant number, since it is smaller than the sum of its proper divisors (770291484).

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

427939620 is a wasteful number, since it uses less digits than its factorization.

427939620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7132339 (or 7132337 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 427939620 is about 20686.7015253762. The cubic root of 427939620 is about 753.5767641174.

The spelling of 427939620 in words is "four hundred twenty-seven million, nine hundred thirty-nine thousand, six hundred twenty".