38424769 has 2 divisors, whose sum is σ = 38424770. Its totient is φ = 38424768.

The previous prime is 38424751. The next prime is 38424773. The reversal of 38424769 is 96742483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29030544 + 9394225 = 5388^2 + 3065^2 .

It is a cyclic number.

It is not a de Polignac number, because 38424769 - 2²⁵ = 4870337 is a prime.

It is a super-2 number, since 2×38424769² = 2952925745406722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38424719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19212384 + 19212385.

It is an arithmetic number, because the mean of its divisors is an integer number (19212385).

Almost surely, 2^38424769 is an apocalyptic number.

It is an amenable number.

38424769 is a deficient number, since it is larger than the sum of its proper divisors (1).

38424769 is an equidigital number, since it uses as much as digits as its factorization.

38424769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 43.

The square root of 38424769 is about 6198.7715718520. The cubic root of 38424769 is about 337.4455886678.

It can be divided in two parts, 38424 and 769, that added together give a palindrome (39193).

The spelling of 38424769 in words is "thirty-eight million, four hundred twenty-four thousand, seven hundred sixty-nine".