4069887 has 4 divisors (see below), whose sum is σ = 5426520. Its totient is φ = 2713256.

The previous prime is 4069867. The next prime is 4069913. The reversal of 4069887 is 7889604.

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 4069887 - 2¹⁴ = 4053503 is a prime.

It is a D-number.

4069887 is a lucky number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4069837) 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, 678312 + ... + 678317.

It is an arithmetic number, because the mean of its divisors is an integer number (1356630).

Almost surely, 2^4069887 is an apocalyptic number.

4069887 is a deficient number, since it is larger than the sum of its proper divisors (1356633).

4069887 is a wasteful number, since it uses less digits than its factorization.

4069887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356632.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 4069887 is about 2017.3960939786. The cubic root of 4069887 is about 159.6592618538.

The spelling of 4069887 in words is "four million, sixty-nine thousand, eight hundred eighty-seven".