38417823 has 6 divisors (see below), whose sum is σ = 55492424. Its totient is φ = 25611876.

The previous prime is 38417801. The next prime is 38417831. The reversal of 38417823 is 32871483.

It is not a de Polignac number, because 38417823 - 2¹⁴ = 38401439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38417833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2134315 + ... + 2134332.

Almost surely, 2^38417823 is an apocalyptic number.

38417823 is a deficient number, since it is larger than the sum of its proper divisors (17074601).

38417823 is a wasteful number, since it uses less digits than its factorization.

38417823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4268653 (or 4268650 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 38417823 is about 6198.2112742307. The cubic root of 38417823 is about 337.4252542292.

It can be divided in two parts, 3841 and 7823, that added together give a square (11664 = 108²).

The spelling of 38417823 in words is "thirty-eight million, four hundred seventeen thousand, eight hundred twenty-three".