38748530 has 8 divisors (see below), whose sum is σ = 69747372. Its totient is φ = 15499408.

The previous prime is 38748527. The next prime is 38748533. The reversal of 38748530 is 3584783.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (38748527) and next prime (38748533).

It can be written as a sum of positive squares in 2 ways, for example, as 38725729 + 22801 = 6223^2 + 151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38748533) 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, 1937417 + ... + 1937436.

Almost surely, 2^38748530 is an apocalyptic number.

38748530 is a deficient number, since it is larger than the sum of its proper divisors (30998842).

38748530 is a wasteful number, since it uses less digits than its factorization.

38748530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3874860.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 38748530 is about 6224.8317246332. The cubic root of 38748530 is about 338.3906934922.

The spelling of 38748530 in words is "thirty-eight million, seven hundred forty-eight thousand, five hundred thirty".