4004285391 has 12 divisors (see below), whose sum is σ = 5784701832. Its totient is φ = 2669184816.

The previous prime is 4004285387. The next prime is 4004285393. The reversal of 4004285391 is 1935824004.

It is not a de Polignac number, because 4004285391 - 2² = 4004285387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004285393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61705 + ... + 108701.

It is an arithmetic number, because the mean of its divisors is an integer number (482058486).

Almost surely, 2^4004285391 is an apocalyptic number.

4004285391 is a deficient number, since it is larger than the sum of its proper divisors (1780416441).

4004285391 is a wasteful number, since it uses less digits than its factorization.

4004285391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56470 (or 56467 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 4004285391 is about 63279.4231247410. The cubic root of 4004285391 is about 1587.9677358263.

The spelling of 4004285391 in words is "four billion, four million, two hundred eighty-five thousand, three hundred ninety-one".