427838340 has 48 divisors (see below), whose sum is σ = 1208567808. Its totient is φ = 113078784.

The previous prime is 427838339. The next prime is 427838351. The reversal of 427838340 is 43838724.

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, 24772 + ... + 38331.

It is an arithmetic number, because the mean of its divisors is an integer number (25178496).

Almost surely, 2^427838340 is an apocalyptic number.

It is an amenable number.

427838340 is an abundant number, since it is smaller than the sum of its proper divisors (780729468).

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

427838340 is a wasteful number, since it uses less digits than its factorization.

427838340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63228 (or 63226 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 427838340 is about 20684.2534310523. The cubic root of 427838340 is about 753.5173100317.

The spelling of 427838340 in words is "four hundred twenty-seven million, eight hundred thirty-eight thousand, three hundred forty".