5380921 has 16 divisors (see below), whose sum is σ = 6854400. Its totient is φ = 4108608.

The previous prime is 5380909. The next prime is 5380937. The reversal of 5380921 is 1290835.

It is not a de Polignac number, because 5380921 - 2⁹ = 5380409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5380921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5380951) 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 in 15 ways as a sum of consecutive naturals, for example, 1620 + ... + 3658.

It is an arithmetic number, because the mean of its divisors is an integer number (428400).

Almost surely, 2^5380921 is an apocalyptic number.

It is an amenable number.

5380921 is a deficient number, since it is larger than the sum of its proper divisors (1473479).

5380921 is a wasteful number, since it uses less digits than its factorization.

5380921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 5380921 is about 2319.6812281001. The cubic root of 5380921 is about 175.2342007175.

The spelling of 5380921 in words is "five million, three hundred eighty thousand, nine hundred twenty-one".