38484813 has 4 divisors (see below), whose sum is σ = 51313088. Its totient is φ = 25656540.

The previous prime is 38484811. The next prime is 38484841. The reversal of 38484813 is 31848483.

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: 31848483 = 3 ⋅10616161.

It is not a de Polignac number, because 38484813 - 2¹ = 38484811 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 (38484811) 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, 6414133 + ... + 6414138.

It is an arithmetic number, because the mean of its divisors is an integer number (12828272).

Almost surely, 2^38484813 is an apocalyptic number.

It is an amenable number.

38484813 is a deficient number, since it is larger than the sum of its proper divisors (12828275).

38484813 is a wasteful number, since it uses less digits than its factorization.

38484813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12828274.

The product of its digits is 73728, while the sum is 39.

The square root of 38484813 is about 6203.6128989485. The cubic root of 38484813 is about 337.6212656140.

The spelling of 38484813 in words is "thirty-eight million, four hundred eighty-four thousand, eight hundred thirteen".