4279669 has 2 divisors, whose sum is σ = 4279670. Its totient is φ = 4279668.

The previous prime is 4279657. The next prime is 4279687. The reversal of 4279669 is 9669724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4223025 + 56644 = 2055^2 + 238^2 .

It is a cyclic number.

It is not a de Polignac number, because 4279669 - 2⁵ = 4279637 is a prime.

It is a super-2 number, since 2×4279669² = 36631133499122, which contains 22 as substring.

4279669 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4279619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2139834 + 2139835.

It is an arithmetic number, because the mean of its divisors is an integer number (2139835).

Almost surely, 2^4279669 is an apocalyptic number.

It is an amenable number.

4279669 is a deficient number, since it is larger than the sum of its proper divisors (1).

4279669 is an equidigital number, since it uses as much as digits as its factorization.

4279669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 43.

The square root of 4279669 is about 2068.7360875665. The cubic root of 4279669 is about 162.3566420082.

The spelling of 4279669 in words is "four million, two hundred seventy-nine thousand, six hundred sixty-nine".