5381378 has 4 divisors (see below), whose sum is σ = 8072070. Its totient is φ = 2690688.

The previous prime is 5381377. The next prime is 5381413. The reversal of 5381378 is 8731835.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2798929 + 2582449 = 1673^2 + 1607^2 .

It is not an unprimeable number, because it can be changed into a prime (5381377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345343 + ... + 1345346.

Almost surely, 2^5381378 is an apocalyptic number.

5381378 is a deficient number, since it is larger than the sum of its proper divisors (2690692).

5381378 is a wasteful number, since it uses less digits than its factorization.

5381378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690691.

The product of its digits is 20160, while the sum is 35.

The square root of 5381378 is about 2319.7797309227. The cubic root of 5381378 is about 175.2391614397.

The spelling of 5381378 in words is "five million, three hundred eighty-one thousand, three hundred seventy-eight".