4400087 has 4 divisors (see below), whose sum is σ = 4404360. Its totient is φ = 4395816.

The previous prime is 4400069. The next prime is 4400101. The reversal of 4400087 is 7800044.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4400087 - 2⁶ = 4400023 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 (4400027) 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, 464 + ... + 3002.

It is an arithmetic number, because the mean of its divisors is an integer number (1101090).

Almost surely, 2^4400087 is an apocalyptic number.

4400087 is a deficient number, since it is larger than the sum of its proper divisors (4273).

4400087 is a wasteful number, since it uses less digits than its factorization.

4400087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 4400087 is about 2097.6384340491. The cubic root of 4400087 is about 163.8653341274.

The spelling of 4400087 in words is "four million, four hundred thousand, eighty-seven".