5426421 has 48 divisors (see below), whose sum is σ = 9838080. Its totient is φ = 2583360.

The previous prime is 5426411. The next prime is 5426437. The reversal of 5426421 is 1246245.

5426421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5426421 - 2⁶ = 5426357 is a prime.

It is a Curzon number.

5426421 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5426391 and 5426400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5426411) 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 47 ways as a sum of consecutive naturals, for example, 38970 + ... + 39108.

It is an arithmetic number, because the mean of its divisors is an integer number (204960).

Almost surely, 2^5426421 is an apocalyptic number.

It is an amenable number.

5426421 is a deficient number, since it is larger than the sum of its proper divisors (4411659).

5426421 is a wasteful number, since it uses less digits than its factorization.

5426421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 173 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 5426421 is about 2329.4679650083. The cubic root of 5426421 is about 175.7267302783.

It can be divided in two parts, 54264 and 21, that added together give a triangular number (54285 = T₃₂₉).

The spelling of 5426421 in words is "five million, four hundred twenty-six thousand, four hundred twenty-one".