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38674469 is a prime number
BaseRepresentation
bin1001001110001…
…0000000100101
32200202212101202
42103202000211
534400040334
63500532245
7646504361
oct223420045
980685352
1038674469
111a915779
1210b51085
138021402
1451ca2a1
1535de17e
hex24e2025

38674469 has 2 divisors, whose sum is σ = 38674470. Its totient is φ = 38674468.

The previous prime is 38674423. The next prime is 38674483. The reversal of 38674469 is 96447683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32069569 + 6604900 = 5663^2 + 2570^2 .

It is an emirp because it is prime and its reverse (96447683) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38674469 is a prime.

It is a super-2 number, since 2×386744692 = 2991429104863922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38674409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19337234 + 19337235.

It is an arithmetic number, because the mean of its divisors is an integer number (19337235).

Almost surely, 238674469 is an apocalyptic number.

It is an amenable number.

38674469 is a deficient number, since it is larger than the sum of its proper divisors (1).

38674469 is an equidigital number, since it uses as much as digits as its factorization.

38674469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 47.

The square root of 38674469 is about 6218.8800438664. The cubic root of 38674469 is about 338.1749645597.

The spelling of 38674469 in words is "thirty-eight million, six hundred seventy-four thousand, four hundred sixty-nine".