427189340 has 48 divisors (see below), whose sum is σ = 914457600. Its totient is φ = 167598912.

The previous prime is 427189333. The next prime is 427189351. The reversal of 427189340 is 43981724.

It is a junction number, because it is equal to n+sod(n) for n = 427189294 and 427189303.

It is a congruent number.

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, 263051 + ... + 264669.

It is an arithmetic number, because the mean of its divisors is an integer number (19051200).

Almost surely, 2^427189340 is an apocalyptic number.

It is an amenable number.

427189340 is an abundant number, since it is smaller than the sum of its proper divisors (487268260).

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

427189340 is a wasteful number, since it uses less digits than its factorization.

427189340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874 (or 1872 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 427189340 is about 20668.5592144203. The cubic root of 427189340 is about 753.1361066870.

The spelling of 427189340 in words is "four hundred twenty-seven million, one hundred eighty-nine thousand, three hundred forty".