1283460228 has 120 divisors (see below), whose sum is σ = 3483406080. Its totient is φ = 411765120.

The previous prime is 1283460197. The next prime is 1283460263. The reversal of 1283460228 is 8220643821.

1283460228 is a `hidden beast` number, since 1 + 28 + 3 + 4 + 602 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1283460192 and 1283460201.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1048825 + ... + 1050047.

It is an arithmetic number, because the mean of its divisors is an integer number (29028384).

Almost surely, 2^1283460228 is an apocalyptic number.

1283460228 is a gapful number since it is divisible by the number (18) 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 1283460228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1741703040).

1283460228 is an abundant number, since it is smaller than the sum of its proper divisors (2199945852).

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

1283460228 is a wasteful number, since it uses less digits than its factorization.

1283460228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359 (or 1348 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 1283460228 is about 35825.4131588179. The cubic root of 1283460228 is about 1086.7445521519.

The spelling of 1283460228 in words is "one billion, two hundred eighty-three million, four hundred sixty thousand, two hundred twenty-eight".