4148929 has 4 divisors (see below), whose sum is σ = 4157140. Its totient is φ = 4140720.

The previous prime is 4148927. The next prime is 4148933. The reversal of 4148929 is 9298414.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9298414 = 2 ⋅4649207.

It can be written as a sum of positive squares in 2 ways, for example, as 2982529 + 1166400 = 1727^2 + 1080^2 .

It is a cyclic number.

It is not a de Polignac number, because 4148929 - 2¹ = 4148927 is a prime.

It is a super-2 number, since 2×4148929² = 34427223694082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4148923) 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 3 ways as a sum of consecutive naturals, for example, 3294 + ... + 4375.

It is an arithmetic number, because the mean of its divisors is an integer number (1039285).

Almost surely, 2^4148929 is an apocalyptic number.

It is an amenable number.

4148929 is a deficient number, since it is larger than the sum of its proper divisors (8211).

4148929 is an equidigital number, since it uses as much as digits as its factorization.

4148929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8210.

The product of its digits is 20736, while the sum is 37.

The square root of 4148929 is about 2036.8919951730. The cubic root of 4148929 is about 160.6862322627.

The spelling of 4148929 in words is "four million, one hundred forty-eight thousand, nine hundred twenty-nine".