4374509 has 4 divisors (see below), whose sum is σ = 4385820. Its totient is φ = 4363200.

The previous prime is 4374499. The next prime is 4374511. The reversal of 4374509 is 9054734.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3052009 + 1322500 = 1747^2 + 1150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4374509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4374809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5054 + ... + 5855.

It is an arithmetic number, because the mean of its divisors is an integer number (1096455).

Almost surely, 2^4374509 is an apocalyptic number.

It is an amenable number.

4374509 is a deficient number, since it is larger than the sum of its proper divisors (11311).

4374509 is a wasteful number, since it uses less digits than its factorization.

4374509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11310.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 4374509 is about 2091.5326915925. The cubic root of 4374509 is about 163.5471968289.

The spelling of 4374509 in words is "four million, three hundred seventy-four thousand, five hundred nine".