4490387 has 4 divisors (see below), whose sum is σ = 4898616. Its totient is φ = 4082160.

The previous prime is 4490377. The next prime is 4490399. The reversal of 4490387 is 7830944.

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 4490387 - 2⁴ = 4490371 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4490347) 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, 204098 + ... + 204119.

It is an arithmetic number, because the mean of its divisors is an integer number (1224654).

Almost surely, 2^4490387 is an apocalyptic number.

4490387 is a deficient number, since it is larger than the sum of its proper divisors (408229).

4490387 is a wasteful number, since it uses less digits than its factorization.

4490387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408228.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 4490387 is about 2119.0533263701. The cubic root of 4490387 is about 164.9787177938.

The spelling of 4490387 in words is "four million, four hundred ninety thousand, three hundred eighty-seven".