5492421 has 16 divisors (see below), whose sum is σ = 8877120. Its totient is φ = 3328560.

The previous prime is 5492413. The next prime is 5492471. The reversal of 5492421 is 1242945.

It is not a de Polignac number, because 5492421 - 2³ = 5492413 is a prime.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5492471) 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 15 ways as a sum of consecutive naturals, for example, 8950 + ... + 9543.

It is an arithmetic number, because the mean of its divisors is an integer number (554820).

Almost surely, 2^5492421 is an apocalyptic number.

It is an amenable number.

5492421 is a deficient number, since it is larger than the sum of its proper divisors (3384699).

5492421 is a wasteful number, since it uses less digits than its factorization.

5492421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18513 (or 18507 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 5492421 is about 2343.5914746389. The cubic root of 5492421 is about 176.4362991614.

It can be divided in two parts, 54924 and 21, that added together give a palindrome (54945).

The spelling of 5492421 in words is "five million, four hundred ninety-two thousand, four hundred twenty-one".