4148469 has 32 divisors (see below), whose sum is σ = 6773760. Its totient is φ = 2493504.

The previous prime is 4148461. The next prime is 4148483. The reversal of 4148469 is 9648414.

It is a happy number.

It is not a de Polignac number, because 4148469 - 2³ = 4148461 is a prime.

It is a super-2 number, since 2×4148469² = 34419590087922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4148461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18492 + ... + 18714.

It is an arithmetic number, because the mean of its divisors is an integer number (211680).

Almost surely, 2^4148469 is an apocalyptic number.

It is an amenable number.

4148469 is a deficient number, since it is larger than the sum of its proper divisors (2625291).

4148469 is a wasteful number, since it uses less digits than its factorization.

4148469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 292 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 4148469 is about 2036.7790749122. The cubic root of 4148469 is about 160.6802935093.

Subtracting 4148469 from its reverse (9648414), we obtain a palindrome (5499945).

The spelling of 4148469 in words is "four million, one hundred forty-eight thousand, four hundred sixty-nine".