38923530 has 16 divisors (see below), whose sum is σ = 93416544. Its totient is φ = 10379600.

The previous prime is 38923529. The next prime is 38923531. The reversal of 38923530 is 3532983.

It is an interprime number because it is at equal distance from previous prime (38923529) and next prime (38923531).

It is a junction number, because it is equal to n+sod(n) for n = 38923491 and 38923500.

It is not an unprimeable number, because it can be changed into a prime (38923531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648696 + ... + 648755.

It is an arithmetic number, because the mean of its divisors is an integer number (5838534).

Almost surely, 2^38923530 is an apocalyptic number.

38923530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38923530 is an abundant number, since it is smaller than the sum of its proper divisors (54493014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38923530 is a wasteful number, since it uses less digits than its factorization.

38923530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297461.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 38923530 is about 6238.8724942893. The cubic root of 38923530 is about 338.8993531760.

The spelling of 38923530 in words is "thirty-eight million, nine hundred twenty-three thousand, five hundred thirty".