4173969 has 4 divisors (see below), whose sum is σ = 5565296. Its totient is φ = 2782644.

The previous prime is 4173947. The next prime is 4173973. The reversal of 4173969 is 9693714.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-4173969 is a prime.

It is a super-2 number, since 2×4173969² = 34844034425922, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

4173969 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4173919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695659 + ... + 695664.

It is an arithmetic number, because the mean of its divisors is an integer number (1391324).

Almost surely, 2^4173969 is an apocalyptic number.

It is an amenable number.

4173969 is a deficient number, since it is larger than the sum of its proper divisors (1391327).

4173969 is a wasteful number, since it uses less digits than its factorization.

4173969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391326.

The product of its digits is 40824, while the sum is 39.

The square root of 4173969 is about 2043.0293683645. The cubic root of 4173969 is about 161.0088469091.

The spelling of 4173969 in words is "four million, one hundred seventy-three thousand, nine hundred sixty-nine".