4640169 has 8 divisors (see below), whose sum is σ = 6318720. Its totient is φ = 3027536.

The previous prime is 4640159. The next prime is 4640171. The reversal of 4640169 is 9610464.

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 4640169 - 2⁵ = 4640137 is a prime.

It is a super-2 number, since 2×4640169² = 43062336697122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4640159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16314 + ... + 16595.

It is an arithmetic number, because the mean of its divisors is an integer number (789840).

Almost surely, 2^4640169 is an apocalyptic number.

It is an amenable number.

4640169 is a deficient number, since it is larger than the sum of its proper divisors (1678551).

4640169 is a wasteful number, since it uses less digits than its factorization.

4640169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32959.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 4640169 is about 2154.1051506368. The cubic root of 4640169 is about 166.7930432606.

The spelling of 4640169 in words is "four million, six hundred forty thousand, one hundred sixty-nine".