1004736385 has 16 divisors (see below), whose sum is σ = 1228859280. Its totient is φ = 788486400.

The previous prime is 1004736371. The next prime is 1004736389. The reversal of 1004736385 is 5836374001.

1004736385 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1874161 + 1002862224 = 1369^2 + 31668^2 .

It is not a de Polignac number, because 1004736385 - 2¹¹ = 1004734337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1004736389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45919 + ... + 64171.

It is an arithmetic number, because the mean of its divisors is an integer number (76803705).

Almost surely, 2^1004736385 is an apocalyptic number.

It is an amenable number.

1004736385 is a deficient number, since it is larger than the sum of its proper divisors (224122895).

1004736385 is a wasteful number, since it uses less digits than its factorization.

1004736385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18468.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 1004736385 is about 31697.5769578686. The cubic root of 1004736385 is about 1001.5763089445.

The spelling of 1004736385 in words is "one billion, four million, seven hundred thirty-six thousand, three hundred eighty-five".