1047845428 has 48 divisors (see below), whose sum is σ = 2163248640. Its totient is φ = 434830176.

The previous prime is 1047845423. The next prime is 1047845441. The reversal of 1047845428 is 8245487401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047845423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105951 + ... + 115417.

It is an arithmetic number, because the mean of its divisors is an integer number (45067680).

Almost surely, 2^1047845428 is an apocalyptic number.

It is an amenable number.

1047845428 is an abundant number, since it is smaller than the sum of its proper divisors (1115403212).

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

1047845428 is a wasteful number, since it uses less digits than its factorization.

1047845428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9604 (or 9602 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 43.

The square root of 1047845428 is about 32370.4406519281. The cubic root of 1047845428 is about 1015.7006746838.

The spelling of 1047845428 in words is "one billion, forty-seven million, eight hundred forty-five thousand, four hundred twenty-eight".