38423169 has 12 divisors (see below), whose sum is σ = 56124900. Its totient is φ = 25327104.

The previous prime is 38423129. The next prime is 38423171. The reversal of 38423169 is 96132483.

It can be written as a sum of positive squares in 2 ways, for example, as 18173169 + 20250000 = 4263^2 + 4500^2 .

It is not a de Polignac number, because 38423169 - 2⁸ = 38422913 is a prime.

It is a super-2 number, since 2×38423169² = 2952679832005122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38423129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23184 + ... + 24785.

It is an arithmetic number, because the mean of its divisors is an integer number (4677075).

Almost surely, 2^38423169 is an apocalyptic number.

It is an amenable number.

38423169 is a deficient number, since it is larger than the sum of its proper divisors (17701731).

38423169 is a wasteful number, since it uses less digits than its factorization.

38423169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48064 (or 48061 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 38423169 is about 6198.6425126797. The cubic root of 38423169 is about 337.4409048796.

The spelling of 38423169 in words is "thirty-eight million, four hundred twenty-three thousand, one hundred sixty-nine".