427897248 has 24 divisors (see below), whose sum is σ = 1123230528. Its totient is φ = 142632384.

The previous prime is 427897241. The next prime is 427897273. The reversal of 427897248 is 842798724.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 427897248.

It is not an unprimeable number, because it can be changed into a prime (427897241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2228536 + ... + 2228727.

It is an arithmetic number, because the mean of its divisors is an integer number (46801272).

Almost surely, 2^427897248 is an apocalyptic number.

427897248 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

427897248 is an abundant number, since it is smaller than the sum of its proper divisors (695333280).

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

427897248 is a wasteful number, since it uses less digits than its factorization.

427897248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457276 (or 4457268 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 51.

The square root of 427897248 is about 20685.6773638187. The cubic root of 427897248 is about 753.5518917545.

The spelling of 427897248 in words is "four hundred twenty-seven million, eight hundred ninety-seven thousand, two hundred forty-eight".