4542949 has 4 divisors (see below), whose sum is σ = 4577760. Its totient is φ = 4508140.

The previous prime is 4542947. The next prime is 4542953. The reversal of 4542949 is 9492454.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4542949 - 2¹ = 4542947 is a prime.

It is a Duffinian number.

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, 17209 + ... + 17470.

It is an arithmetic number, because the mean of its divisors is an integer number (1144440).

Almost surely, 2^4542949 is an apocalyptic number.

It is an amenable number.

4542949 is a deficient number, since it is larger than the sum of its proper divisors (34811).

4542949 is a wasteful number, since it uses less digits than its factorization.

4542949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34810.

The product of its digits is 51840, while the sum is 37.

The square root of 4542949 is about 2131.4194800649. The cubic root of 4542949 is about 165.6199390408.

It can be divided in two parts, 454 and 2949, that added together give a triangular number (3403 = T₈₂).

The spelling of 4542949 in words is "four million, five hundred forty-two thousand, nine hundred forty-nine".