1283830628 has 6 divisors (see below), whose sum is σ = 2246703606. Its totient is φ = 641915312.

The previous prime is 1283830601. The next prime is 1283830643. The reversal of 1283830628 is 8260383821.

It can be written as a sum of positive squares in only one way, i.e., 1153825024 + 130005604 = 33968^2 + 11402^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160478825 + ... + 160478832.

It is an arithmetic number, because the mean of its divisors is an integer number (374450601).

Almost surely, 2^1283830628 is an apocalyptic number.

It is an amenable number.

1283830628 is a deficient number, since it is larger than the sum of its proper divisors (962872978).

1283830628 is a wasteful number, since it uses less digits than its factorization.

1283830628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320957661 (or 320957659 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 1283830628 is about 35830.5823005990. The cubic root of 1283830628 is about 1086.8490850536.

The spelling of 1283830628 in words is "one billion, two hundred eighty-three million, eight hundred thirty thousand, six hundred twenty-eight".