1073556385 has 32 divisors (see below), whose sum is σ = 1433658240. Its totient is φ = 765158400.

The previous prime is 1073556383. The next prime is 1073556403. The reversal of 1073556385 is 5836553701.

It is not a de Polignac number, because 1073556385 - 2¹ = 1073556383 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1073556383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1452346 + ... + 1453084.

It is an arithmetic number, because the mean of its divisors is an integer number (44801820).

Almost surely, 2^1073556385 is an apocalyptic number.

It is an amenable number.

1073556385 is a deficient number, since it is larger than the sum of its proper divisors (360101855).

1073556385 is a wasteful number, since it uses less digits than its factorization.

1073556385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249.

The product of its (nonzero) digits is 378000, while the sum is 43.

The square root of 1073556385 is about 32765.1703032351. The cubic root of 1073556385 is about 1023.9410471356.

The spelling of 1073556385 in words is "one billion, seventy-three million, five hundred fifty-six thousand, three hundred eighty-five".