5489778 has 32 divisors (see below), whose sum is σ = 13095936. Its totient is φ = 1500048.

The previous prime is 5489749. The next prime is 5489807. The reversal of 5489778 is 8779845.

It is an interprime number because it is at equal distance from previous prime (5489749) and next prime (5489807).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1876 + ... + 3807.

It is an arithmetic number, because the mean of its divisors is an integer number (409248).

Almost surely, 2^5489778 is an apocalyptic number.

5489778 is an abundant number, since it is smaller than the sum of its proper divisors (7606158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5489778 is a wasteful number, since it uses less digits than its factorization.

5489778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5718.

The product of its digits is 564480, while the sum is 48.

The square root of 5489778 is about 2343.0275286475. The cubic root of 5489778 is about 176.4079937349.

The spelling of 5489778 in words is "five million, four hundred eighty-nine thousand, seven hundred seventy-eight".