427835388 has 48 divisors (see below), whose sum is σ = 1053893120. Its totient is φ = 134711424.

The previous prime is 427835339. The next prime is 427835399. The reversal of 427835388 is 883538724.

It is a super-2 number, since 2×427835388² = 366086238450221088, which contains 22 as substring.

It is a zygodrome in base 2.

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, 81120 + ... + 86232.

Almost surely, 2^427835388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427835388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526946560).

427835388 is an abundant number, since it is smaller than the sum of its proper divisors (626057732).

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

427835388 is a wasteful number, since it uses less digits than its factorization.

427835388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5506 (or 5504 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 427835388 is about 20684.1820722986. The cubic root of 427835388 is about 753.5155769876.

The spelling of 427835388 in words is "four hundred twenty-seven million, eight hundred thirty-five thousand, three hundred eighty-eight".