5478388 has 6 divisors (see below), whose sum is σ = 9587186. Its totient is φ = 2739192.

The previous prime is 5478383. The next prime is 5478397. The reversal of 5478388 is 8838745.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2782224 + 2696164 = 1668^2 + 1642^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5478383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684795 + ... + 684802.

Almost surely, 2^5478388 is an apocalyptic number.

It is an amenable number.

5478388 is a deficient number, since it is larger than the sum of its proper divisors (4108798).

5478388 is a wasteful number, since it uses less digits than its factorization.

5478388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369601 (or 1369599 counting only the distinct ones).

The product of its digits is 215040, while the sum is 43.

The square root of 5478388 is about 2340.5956506838. The cubic root of 5478388 is about 176.2859075441.

The spelling of 5478388 in words is "five million, four hundred seventy-eight thousand, three hundred eighty-eight".