4909447 has 8 divisors (see below), whose sum is σ = 5217696. Its totient is φ = 4603392.

The previous prime is 4909441. The next prime is 4909451. The reversal of 4909447 is 7449094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4909447 - 2⁷ = 4909319 is a prime.

It is a Duffinian number.

4909447 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4909441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7983 + ... + 8575.

It is an arithmetic number, because the mean of its divisors is an integer number (652212).

Almost surely, 2^4909447 is an apocalyptic number.

4909447 is a deficient number, since it is larger than the sum of its proper divisors (308249).

4909447 is a wasteful number, since it uses less digits than its factorization.

4909447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 4909447 is about 2215.7271943992. The cubic root of 4909447 is about 169.9590097251.

It can be divided in two parts, 49094 and 47, that added together give a triangular number (49141 = T₃₁₃).

The spelling of 4909447 in words is "four million, nine hundred nine thousand, four hundred forty-seven".