4097969 has 8 divisors (see below), whose sum is σ = 4365000. Its totient is φ = 3833856.

The previous prime is 4097957. The next prime is 4097981. The reversal of 4097969 is 9697904.

It is an interprime number because it is at equal distance from previous prime (4097957) and next prime (4097981).

It can be written as a sum of positive squares in 4 ways, for example, as 506944 + 3591025 = 712^2 + 1895^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4097969 - 2⁴ = 4097953 is a prime.

It is a super-2 number, since 2×4097969² = 33586699849922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4097069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2657 + ... + 3905.

It is an arithmetic number, because the mean of its divisors is an integer number (545625).

Almost surely, 2^4097969 is an apocalyptic number.

It is an amenable number.

4097969 is a deficient number, since it is larger than the sum of its proper divisors (267031).

4097969 is a wasteful number, since it uses less digits than its factorization.

4097969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 4097969 is about 2024.3440913046. The cubic root of 4097969 is about 160.0256339138.

The spelling of 4097969 in words is "four million, ninety-seven thousand, nine hundred sixty-nine".