5491930 has 8 divisors (see below), whose sum is σ = 9885492. Its totient is φ = 2196768.

The previous prime is 5491907. The next prime is 5491939. The reversal of 5491930 is 391945.

It can be written as a sum of positive squares in 2 ways, for example, as 5212089 + 279841 = 2283^2 + 529^2 .

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

It is a super-2 number, since 2×5491930² = 60322590249800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5491892 and 5491901.

It is not an unprimeable number, because it can be changed into a prime (5491939) by changing a digit.

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, 274587 + ... + 274606.

Almost surely, 2^5491930 is an apocalyptic number.

5491930 is a deficient number, since it is larger than the sum of its proper divisors (4393562).

5491930 is a wasteful number, since it uses less digits than its factorization.

5491930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549200.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 5491930 is about 2343.4867185457. The cubic root of 5491930 is about 176.4310414433.

The spelling of 5491930 in words is "five million, four hundred ninety-one thousand, nine hundred thirty".