5478645 has 16 divisors (see below), whose sum is σ = 8809920. Its totient is φ = 2907264.

The previous prime is 5478643. The next prime is 5478677. The reversal of 5478645 is 5468745.

It is not a de Polignac number, because 5478645 - 2¹ = 5478643 is a prime.

It is a super-3 number, since 3×5478645³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5478643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2601 + ... + 4209.

It is an arithmetic number, because the mean of its divisors is an integer number (550620).

Almost surely, 2^5478645 is an apocalyptic number.

It is an amenable number.

5478645 is a deficient number, since it is larger than the sum of its proper divisors (3331275).

5478645 is a wasteful number, since it uses less digits than its factorization.

5478645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844.

The product of its digits is 134400, while the sum is 39.

The square root of 5478645 is about 2340.6505505949. The cubic root of 5478645 is about 176.2886641196.

The spelling of 5478645 in words is "five million, four hundred seventy-eight thousand, six hundred forty-five".