38488013 has 4 divisors (see below), whose sum is σ = 38951808. Its totient is φ = 38024220.

The previous prime is 38487997. The next prime is 38488027. The reversal of 38488013 is 31088483.

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: 31088483 = 2909 ⋅10687.

It is a cyclic number.

It is not a de Polignac number, because 38488013 - 2⁴ = 38487997 is a prime.

It is a super-3 number, since 3×38488013³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38488033) 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, 231773 + ... + 231938.

It is an arithmetic number, because the mean of its divisors is an integer number (9737952).

Almost surely, 2^38488013 is an apocalyptic number.

It is an amenable number.

38488013 is a deficient number, since it is larger than the sum of its proper divisors (463795).

38488013 is an equidigital number, since it uses as much as digits as its factorization.

38488013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463794.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 38488013 is about 6203.8708078102. The cubic root of 38488013 is about 337.6306230551.

The spelling of 38488013 in words is "thirty-eight million, four hundred eighty-eight thousand, thirteen".