4267665 has 12 divisors (see below), whose sum is σ = 7397364. Its totient is φ = 2276064.

The previous prime is 4267661. The next prime is 4267667. The reversal of 4267665 is 5667624.

It can be written as a sum of positive squares in 2 ways, for example, as 1710864 + 2556801 = 1308^2 + 1599^2 .

It is not a de Polignac number, because 4267665 - 2² = 4267661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4267661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47374 + ... + 47463.

It is an arithmetic number, because the mean of its divisors is an integer number (616447).

Almost surely, 2^4267665 is an apocalyptic number.

4267665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4267665 is a deficient number, since it is larger than the sum of its proper divisors (3129699).

4267665 is a wasteful number, since it uses less digits than its factorization.

4267665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94848 (or 94845 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 4267665 is about 2065.8327618663. The cubic root of 4267665 is about 162.2047023642.

It can be divided in two parts, 426 and 7665, that multiplied together give a triangular number (3265290 = T₂₅₅₅).

The spelling of 4267665 in words is "four million, two hundred sixty-seven thousand, six hundred sixty-five".