4044387 has 4 divisors (see below), whose sum is σ = 5392520. Its totient is φ = 2696256.

The previous prime is 4044379. The next prime is 4044401. The reversal of 4044387 is 7834404.

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

It is not a de Polignac number, because 4044387 - 2³ = 4044379 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4044347) 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, 674062 + ... + 674067.

It is an arithmetic number, because the mean of its divisors is an integer number (1348130).

Almost surely, 2^4044387 is an apocalyptic number.

4044387 is a deficient number, since it is larger than the sum of its proper divisors (1348133).

4044387 is a wasteful number, since it uses less digits than its factorization.

4044387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348132.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 4044387 is about 2011.0661351631. The cubic root of 4044387 is about 159.3251130290.

The spelling of 4044387 in words is "four million, forty-four thousand, three hundred eighty-seven".