4154039 has 4 divisors (see below), whose sum is σ = 4222200. Its totient is φ = 4085880.

The previous prime is 4154009. The next prime is 4154041. The reversal of 4154039 is 9304514.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4154039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4153999 and 4154017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4154009) 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, 33989 + ... + 34110.

It is an arithmetic number, because the mean of its divisors is an integer number (1055550).

Almost surely, 2^4154039 is an apocalyptic number.

4154039 is a deficient number, since it is larger than the sum of its proper divisors (68161).

4154039 is an equidigital number, since it uses as much as digits as its factorization.

4154039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68160.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 4154039 is about 2038.1459712199. The cubic root of 4154039 is about 160.7521745637.

The spelling of 4154039 in words is "four million, one hundred fifty-four thousand, thirty-nine".