5380945 has 8 divisors (see below), whose sum is σ = 6480936. Its totient is φ = 4288896.

The previous prime is 5380943. The next prime is 5380951. The reversal of 5380945 is 5490835.

It can be written as a sum of positive squares in 4 ways, for example, as 576081 + 4804864 = 759^2 + 2192^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5380945 - 2¹ = 5380943 is a prime.

It is a Duffinian number.

5380945 is a lucky number.

It is a plaindrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 5380945.

It is not an unprimeable number, because it can be changed into a prime (5380943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372 + ... + 3301.

It is an arithmetic number, because the mean of its divisors is an integer number (810117).

Almost surely, 2^5380945 is an apocalyptic number.

It is an amenable number.

5380945 is a deficient number, since it is larger than the sum of its proper divisors (1099991).

5380945 is a wasteful number, since it uses less digits than its factorization.

5380945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 5380945 is about 2319.6864012189. The cubic root of 5380945 is about 175.2344612438.

The spelling of 5380945 in words is "five million, three hundred eighty thousand, nine hundred forty-five".