5740921 has 8 divisors (see below), whose sum is σ = 5984000. Its totient is φ = 5501520.

The previous prime is 5740919. The next prime is 5740937. The reversal of 5740921 is 1290475.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5740921 - 2¹ = 5740919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5740921.

It is not an unprimeable number, because it can be changed into a prime (5740991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2530 + ... + 4228.

It is an arithmetic number, because the mean of its divisors is an integer number (748000).

Almost surely, 2^5740921 is an apocalyptic number.

It is an amenable number.

5740921 is a deficient number, since it is larger than the sum of its proper divisors (243079).

5740921 is a wasteful number, since it uses less digits than its factorization.

5740921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 5740921 is about 2396.0219114190. The cubic root of 5740921 is about 179.0580525999.

The spelling of 5740921 in words is "five million, seven hundred forty thousand, nine hundred twenty-one".