4394140087 has 12 divisors (see below), whose sum is σ = 4658233104. Its totient is φ = 4143856640.

The previous prime is 4394140057. The next prime is 4394140097. The reversal of 4394140087 is 7800414934.

It is not a de Polignac number, because 4394140087 - 2²³ = 4385751479 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 (4394140057) 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, 20938 + ... + 96055.

It is an arithmetic number, because the mean of its divisors is an integer number (388186092).

Almost surely, 2^4394140087 is an apocalyptic number.

4394140087 is a deficient number, since it is larger than the sum of its proper divisors (264093017).

4394140087 is a wasteful number, since it uses less digits than its factorization.

4394140087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117110 (or 117087 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 4394140087 is about 66288.3103344775. The cubic root of 4394140087 is about 1637.9147708480.

The spelling of 4394140087 in words is "four billion, three hundred ninety-four million, one hundred forty thousand, eighty-seven".