5708421 has 16 divisors (see below), whose sum is σ = 8536320. Its totient is φ = 3769920.

The previous prime is 5708401. The next prime is 5708429. The reversal of 5708421 is 1248075.

It is not a de Polignac number, because 5708421 - 2⁶ = 5708357 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5708429) 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, 2116 + ... + 3986.

It is an arithmetic number, because the mean of its divisors is an integer number (533520).

Almost surely, 2^5708421 is an apocalyptic number.

It is an amenable number.

5708421 is a deficient number, since it is larger than the sum of its proper divisors (2827899).

5708421 is a wasteful number, since it uses less digits than its factorization.

5708421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993 (or 1987 counting only the distinct ones).

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

The square root of 5708421 is about 2389.2302107583. The cubic root of 5708421 is about 178.7195237135.

The spelling of 5708421 in words is "five million, seven hundred eight thousand, four hundred twenty-one".