1047482389 has 4 divisors (see below), whose sum is σ = 1048088556. Its totient is φ = 1046876224.

The previous prime is 1047482363. The next prime is 1047482393. The reversal of 1047482389 is 9832847401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 443944900 + 603537489 = 21070^2 + 24567^2 .

It is a cyclic number.

It is not a de Polignac number, because 1047482389 - 2¹⁵ = 1047449621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047480389) 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, 300484 + ... + 303949.

It is an arithmetic number, because the mean of its divisors is an integer number (262022139).

Almost surely, 2^1047482389 is an apocalyptic number.

It is an amenable number.

1047482389 is a deficient number, since it is larger than the sum of its proper divisors (606167).

1047482389 is an equidigital number, since it uses as much as digits as its factorization.

1047482389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606166.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 1047482389 is about 32364.8325965082. The cubic root of 1047482389 is about 1015.5833604502.

The spelling of 1047482389 in words is "one billion, forty-seven million, four hundred eighty-two thousand, three hundred eighty-nine".