5491394 has 4 divisors (see below), whose sum is σ = 8237094. Its totient is φ = 2745696.

The previous prime is 5491393. The next prime is 5491439. The reversal of 5491394 is 4931945.

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., 4020025 + 1471369 = 2005^2 + 1213^2 .

It is not an unprimeable number, because it can be changed into a prime (5491393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1372847 + ... + 1372850.

Almost surely, 2^5491394 is an apocalyptic number.

5491394 is a deficient number, since it is larger than the sum of its proper divisors (2745700).

5491394 is a wasteful number, since it uses less digits than its factorization.

5491394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745699.

The product of its digits is 19440, while the sum is 35.

The square root of 5491394 is about 2343.3723562422. The cubic root of 5491394 is about 176.4253014991.

It can be divided in two parts, 5491 and 394, that added together give a palindrome (5885).

The spelling of 5491394 in words is "five million, four hundred ninety-one thousand, three hundred ninety-four".