4490169 has 4 divisors (see below), whose sum is σ = 5986896. Its totient is φ = 2993444.

The previous prime is 4490147. The next prime is 4490179. The reversal of 4490169 is 9610944.

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 cyclic number.

It is not a de Polignac number, because 4490169 - 2¹² = 4486073 is a prime.

It is a super-2 number, since 2×4490169² = 40323235297122, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4490119) 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, 748359 + ... + 748364.

It is an arithmetic number, because the mean of its divisors is an integer number (1496724).

Almost surely, 2^4490169 is an apocalyptic number.

It is an amenable number.

4490169 is a deficient number, since it is larger than the sum of its proper divisors (1496727).

4490169 is a wasteful number, since it uses less digits than its factorization.

4490169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496726.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 4490169 is about 2119.0018876820. The cubic root of 4490169 is about 164.9760479465.

The spelling of 4490169 in words is "four million, four hundred ninety thousand, one hundred sixty-nine".