4247667 has 8 divisors (see below), whose sum is σ = 6292880. Its totient is φ = 2831760.

The previous prime is 4247629. The next prime is 4247687. The reversal of 4247667 is 7667424.

It is not a de Polignac number, because 4247667 - 2⁷ = 4247539 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 (4247687) 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, 78634 + ... + 78687.

It is an arithmetic number, because the mean of its divisors is an integer number (786610).

Almost surely, 2^4247667 is an apocalyptic number.

4247667 is a deficient number, since it is larger than the sum of its proper divisors (2045213).

4247667 is a wasteful number, since it uses less digits than its factorization.

4247667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157330 (or 157324 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 4247667 is about 2060.9868995217. The cubic root of 4247667 is about 161.9509453669.

The spelling of 4247667 in words is "four million, two hundred forty-seven thousand, six hundred sixty-seven".