4369987 has 4 divisors (see below), whose sum is σ = 4410936. Its totient is φ = 4329040.

The previous prime is 4369973. The next prime is 4369991. The reversal of 4369987 is 7899634.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4369987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4369907) 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, 20314 + ... + 20527.

It is an arithmetic number, because the mean of its divisors is an integer number (1102734).

Almost surely, 2^4369987 is an apocalyptic number.

4369987 is a deficient number, since it is larger than the sum of its proper divisors (40949).

4369987 is a wasteful number, since it uses less digits than its factorization.

4369987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40948.

The product of its digits is 326592, while the sum is 46.

The square root of 4369987 is about 2090.4513866627. The cubic root of 4369987 is about 163.4908236144.

It can be divided in two parts, 4369 and 987, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 4369987 in words is "four million, three hundred sixty-nine thousand, nine hundred eighty-seven".