4279969 has 2 divisors, whose sum is σ = 4279970. Its totient is φ = 4279968.

The previous prime is 4279967. The next prime is 4279973. The reversal of 4279969 is 9699724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2934369 + 1345600 = 1713^2 + 1160^2 .

It is a cyclic number.

It is not a de Polignac number, because 4279969 - 2¹ = 4279967 is a prime.

It is a super-2 number, since 2×4279969² = 36636269281922, which contains 22 as substring.

Together with 4279967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4279963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2139984 + 2139985.

It is an arithmetic number, because the mean of its divisors is an integer number (2139985).

Almost surely, 2^4279969 is an apocalyptic number.

It is an amenable number.

4279969 is a deficient number, since it is larger than the sum of its proper divisors (1).

4279969 is an equidigital number, since it uses as much as digits as its factorization.

4279969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 46.

The square root of 4279969 is about 2068.8085943364. The cubic root of 4279969 is about 162.3604355924.

The spelling of 4279969 in words is "four million, two hundred seventy-nine thousand, nine hundred sixty-nine".