4148939 has 4 divisors (see below), whose sum is σ = 4219320. Its totient is φ = 4078560.

The previous prime is 4148933. The next prime is 4148953. The reversal of 4148939 is 9398414.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4148939 - 2⁴ = 4148923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4148933) 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, 35102 + ... + 35219.

It is an arithmetic number, because the mean of its divisors is an integer number (1054830).

Almost surely, 2^4148939 is an apocalyptic number.

4148939 is a deficient number, since it is larger than the sum of its proper divisors (70381).

4148939 is an equidigital number, since it uses as much as digits as its factorization.

4148939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70380.

The product of its digits is 31104, while the sum is 38.

The square root of 4148939 is about 2036.8944498918. The cubic root of 4148939 is about 160.6863613612.

The spelling of 4148939 in words is "four million, one hundred forty-eight thousand, nine hundred thirty-nine".