3840479 has 2 divisors, whose sum is σ = 3840480. Its totient is φ = 3840478.

The previous prime is 3840469. The next prime is 3840481. The reversal of 3840479 is 9740483.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3840479 - 2¹² = 3836383 is a prime.

Together with 3840481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3840409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1920239 + 1920240.

It is an arithmetic number, because the mean of its divisors is an integer number (1920240).

Almost surely, 2^3840479 is an apocalyptic number.

3840479 is a deficient number, since it is larger than the sum of its proper divisors (1).

3840479 is an equidigital number, since it uses as much as digits as its factorization.

3840479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 3840479 is about 1959.7140097473. The cubic root of 3840479 is about 156.6012165622.

It can be divided in two parts, 38404 and 79, that added together give a palindrome (38483).

The spelling of 3840479 in words is "three million, eight hundred forty thousand, four hundred seventy-nine".