5470821 has 40 divisors (see below), whose sum is σ = 9016920. Its totient is φ = 3290112.

The previous prime is 5470811. The next prime is 5470831. The reversal of 5470821 is 1280745.

It is an interprime number because it is at equal distance from previous prime (5470811) and next prime (5470831).

It can be written as a sum of positive squares in 4 ways, for example, as 1726596 + 3744225 = 1314^2 + 1935^2 .

It is not a de Polignac number, because 5470821 - 2¹¹ = 5468773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5470811) 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 39 ways as a sum of consecutive naturals, for example, 39865 + ... + 40001.

It is an arithmetic number, because the mean of its divisors is an integer number (225423).

Almost surely, 2^5470821 is an apocalyptic number.

5470821 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5470821 is a deficient number, since it is larger than the sum of its proper divisors (3546099).

5470821 is a wasteful number, since it uses less digits than its factorization.

5470821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 5470821 is about 2338.9786232456. The cubic root of 5470821 is about 176.2047054273.

The spelling of 5470821 in words is "five million, four hundred seventy thousand, eight hundred twenty-one".