4538994 has 32 divisors (see below), whose sum is σ = 9455424. Its totient is φ = 1451520.

The previous prime is 4538977. The next prime is 4538999. The reversal of 4538994 is 4998354.

It is not an unprimeable number, because it can be changed into a prime (4538999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18714 + ... + 18954.

It is an arithmetic number, because the mean of its divisors is an integer number (295482).

Almost surely, 2^4538994 is an apocalyptic number.

4538994 is an abundant number, since it is smaller than the sum of its proper divisors (4916430).

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

4538994 is a wasteful number, since it uses less digits than its factorization.

4538994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362.

The product of its digits is 155520, while the sum is 42.

The square root of 4538994 is about 2130.4914925904. The cubic root of 4538994 is about 165.5718632912.

The spelling of 4538994 in words is "four million, five hundred thirty-eight thousand, nine hundred ninety-four".