4909547 has 4 divisors (see below), whose sum is σ = 4940976. Its totient is φ = 4878120.

The previous prime is 4909537. The next prime is 4909577. The reversal of 4909547 is 7459094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7459094 = 2 ⋅3729547.

It is a cyclic number.

It is not a de Polignac number, because 4909547 - 2⁶ = 4909483 is a prime.

It is a super-3 number, since 3×4909547³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4909547.

It is not an unprimeable number, because it can be changed into a prime (4909537) 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, 15479 + ... + 15792.

It is an arithmetic number, because the mean of its divisors is an integer number (1235244).

Almost surely, 2^4909547 is an apocalyptic number.

4909547 is a deficient number, since it is larger than the sum of its proper divisors (31429).

4909547 is a wasteful number, since it uses less digits than its factorization.

4909547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31428.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 4909547 is about 2215.7497602392. The cubic root of 4909547 is about 169.9601636762.

The spelling of 4909547 in words is "four million, nine hundred nine thousand, five hundred forty-seven".