427909506 has 32 divisors (see below), whose sum is σ = 862299648. Its totient is φ = 141561600.

The previous prime is 427909463. The next prime is 427909511. The reversal of 427909506 is 605909724.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 704655 + ... + 705261.

It is an arithmetic number, because the mean of its divisors is an integer number (26946864).

Almost surely, 2^427909506 is an apocalyptic number.

427909506 is an abundant number, since it is smaller than the sum of its proper divisors (434390142).

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

427909506 is a wasteful number, since it uses less digits than its factorization.

427909506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 427909506 is about 20685.9736536620. The cubic root of 427909506 is about 753.5590873690.

The spelling of 427909506 in words is "four hundred twenty-seven million, nine hundred nine thousand, five hundred six".