5398378 has 8 divisors (see below), whose sum is σ = 8230500. Its totient is φ = 2654880.

The previous prime is 5398369. The next prime is 5398381. The reversal of 5398378 is 8738935.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3485689 + 1912689 = 1867^2 + 1383^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22003 + ... + 22246.

Almost surely, 2^5398378 is an apocalyptic number.

5398378 is a deficient number, since it is larger than the sum of its proper divisors (2832122).

5398378 is a wasteful number, since it uses less digits than its factorization.

5398378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44312.

The product of its digits is 181440, while the sum is 43.

The square root of 5398378 is about 2323.4409826806. The cubic root of 5398378 is about 175.4234967679.

It can be divided in two parts, 5398 and 378, that added together give a square (5776 = 76²).

The spelling of 5398378 in words is "five million, three hundred ninety-eight thousand, three hundred seventy-eight".