5440987 has 4 divisors (see below), whose sum is σ = 5573736. Its totient is φ = 5308240.

The previous prime is 5440957. The next prime is 5440991. The reversal of 5440987 is 7890445.

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-5440987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5440937) 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, 66313 + ... + 66394.

It is an arithmetic number, because the mean of its divisors is an integer number (1393434).

Almost surely, 2^5440987 is an apocalyptic number.

5440987 is a deficient number, since it is larger than the sum of its proper divisors (132749).

5440987 is a wasteful number, since it uses less digits than its factorization.

5440987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132748.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 5440987 is about 2332.5923347212. The cubic root of 5440987 is about 175.8838226914.

It can be divided in two parts, 54 and 40987, that added together give a triangular number (41041 = T₂₈₆).

The spelling of 5440987 in words is "five million, four hundred forty thousand, nine hundred eighty-seven".