4247247 has 8 divisors (see below), whose sum is σ = 5756080. Its totient is φ = 2784960.

The previous prime is 4247227. The next prime is 4247251. The reversal of 4247247 is 7427424.

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

It is not a de Polignac number, because 4247247 - 2¹⁵ = 4214479 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 (4247227) 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, 11422 + ... + 11787.

It is an arithmetic number, because the mean of its divisors is an integer number (719510).

Almost surely, 2^4247247 is an apocalyptic number.

4247247 is a deficient number, since it is larger than the sum of its proper divisors (1508833).

4247247 is a wasteful number, since it uses less digits than its factorization.

4247247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23273.

The product of its digits is 12544, while the sum is 30.

The square root of 4247247 is about 2060.8850040699. The cubic root of 4247247 is about 161.9456074062.

The spelling of 4247247 in words is "four million, two hundred forty-seven thousand, two hundred forty-seven".