427346928 has 100 divisors (see below), whose sum is σ = 1243831600. Its totient is φ = 141647616.

The previous prime is 427346921. The next prime is 427346957. The reversal of 427346928 is 829643724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427346921) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 257076 + ... + 258732.

It is an arithmetic number, because the mean of its divisors is an integer number (12438316).

Almost surely, 2^427346928 is an apocalyptic number.

427346928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427346928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621915800).

427346928 is an abundant number, since it is smaller than the sum of its proper divisors (816484672).

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

427346928 is a wasteful number, since it uses less digits than its factorization.

427346928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876 (or 1861 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 427346928 is about 20672.3711266995. The cubic root of 427346928 is about 753.2287046762.

The spelling of 427346928 in words is "four hundred twenty-seven million, three hundred forty-six thousand, nine hundred twenty-eight".