3940667087 has 4 divisors (see below), whose sum is σ = 4503619536. Its totient is φ = 3377714640.

The previous prime is 3940667033. The next prime is 3940667113. The reversal of 3940667087 is 7807660493.

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 3940667087 - 2⁶ = 3940667023 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 (3940669087) 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, 281476214 + ... + 281476227.

It is an arithmetic number, because the mean of its divisors is an integer number (1125904884).

Almost surely, 2^3940667087 is an apocalyptic number.

3940667087 is a deficient number, since it is larger than the sum of its proper divisors (562952449).

3940667087 is an equidigital number, since it uses as much as digits as its factorization.

3940667087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562952448.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The square root of 3940667087 is about 62774.7328707976. The cubic root of 3940667087 is about 1579.5131607750.

The spelling of 3940667087 in words is "three billion, nine hundred forty million, six hundred sixty-seven thousand, eighty-seven".