1004068387 has 4 divisors (see below), whose sum is σ = 1147506736. Its totient is φ = 860630040.

The previous prime is 1004068337. The next prime is 1004068391. The reversal of 1004068387 is 7838604001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1004068387 - 2⁷ = 1004068259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004068337) 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, 71719164 + ... + 71719177.

It is an arithmetic number, because the mean of its divisors is an integer number (286876684).

Almost surely, 2^1004068387 is an apocalyptic number.

1004068387 is a deficient number, since it is larger than the sum of its proper divisors (143438349).

1004068387 is an equidigital number, since it uses as much as digits as its factorization.

1004068387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143438348.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 1004068387 is about 31687.0381544252. The cubic root of 1004068387 is about 1001.3542940596.

The spelling of 1004068387 in words is "one billion, four million, sixty-eight thousand, three hundred eighty-seven".