4542940 has 12 divisors (see below), whose sum is σ = 9540216. Its totient is φ = 1817168.

The previous prime is 4542913. The next prime is 4542947. The reversal of 4542940 is 492454.

It is a junction number, because it is equal to n+sod(n) for n = 4542899 and 4542908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542947) 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 3 ways as a sum of consecutive naturals, for example, 113554 + ... + 113593.

It is an arithmetic number, because the mean of its divisors is an integer number (795018).

Almost surely, 2^4542940 is an apocalyptic number.

It is an amenable number.

4542940 is an abundant number, since it is smaller than the sum of its proper divisors (4997276).

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

4542940 is a wasteful number, since it uses less digits than its factorization.

4542940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227156 (or 227154 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 4542940 is about 2131.4173687948. The cubic root of 4542940 is about 165.6198296713.

The spelling of 4542940 in words is "four million, five hundred forty-two thousand, nine hundred forty".