4070987 has 4 divisors (see below), whose sum is σ = 4131816. Its totient is φ = 4010160.

The previous prime is 4070981. The next prime is 4071017. The reversal of 4070987 is 7890704.

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 4070987 - 2⁴ = 4070971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4070981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30314 + ... + 30447.

It is an arithmetic number, because the mean of its divisors is an integer number (1032954).

Almost surely, 2^4070987 is an apocalyptic number.

4070987 is a deficient number, since it is larger than the sum of its proper divisors (60829).

4070987 is an equidigital number, since it uses as much as digits as its factorization.

4070987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60828.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 4070987 is about 2017.6687042228. The cubic root of 4070987 is about 159.6736446747.

The spelling of 4070987 in words is "four million, seventy thousand, nine hundred eighty-seven".