5423940 has 36 divisors (see below), whose sum is σ = 16453164. Its totient is φ = 1446336.

The previous prime is 5423921. The next prime is 5423947. The reversal of 5423940 is 493245.

It can be written as a sum of positive squares in 2 ways, for example, as 1806336 + 3617604 = 1344^2 + 1902^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5423947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14887 + ... + 15246.

Almost surely, 2^5423940 is an apocalyptic number.

It is an amenable number.

5423940 is an abundant number, since it is smaller than the sum of its proper divisors (11029224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5423940 is a wasteful number, since it uses less digits than its factorization.

5423940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30148 (or 30143 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 5423940 is about 2328.9353790949. The cubic root of 5423940 is about 175.6999450068.

The spelling of 5423940 in words is "five million, four hundred twenty-three thousand, nine hundred forty".