38823949 has 4 divisors (see below), whose sum is σ = 38861536. Its totient is φ = 38786364.

The previous prime is 38823943. The next prime is 38824001. The reversal of 38823949 is 94932883.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94932883 = 359 ⋅264437.

It is a cyclic number.

It is not a de Polignac number, because 38823949 - 2⁹ = 38823437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38823899 and 38823908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38823943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17199 + ... + 19324.

It is an arithmetic number, because the mean of its divisors is an integer number (9715384).

Almost surely, 2^38823949 is an apocalyptic number.

It is an amenable number.

38823949 is a deficient number, since it is larger than the sum of its proper divisors (37587).

38823949 is a wasteful number, since it uses less digits than its factorization.

38823949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37586.

The product of its digits is 373248, while the sum is 46.

The square root of 38823949 is about 6230.8866945243. The cubic root of 38823949 is about 338.6100957746.

The spelling of 38823949 in words is "thirty-eight million, eight hundred twenty-three thousand, nine hundred forty-nine".