38590993 has 4 divisors (see below), whose sum is σ = 44104000. Its totient is φ = 33077988.

The previous prime is 38590973. The next prime is 38590997. The reversal of 38590993 is 39909583.

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.

It is a cyclic number.

It is not a de Polignac number, because 38590993 - 2⁵ = 38590961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38590997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2756493 + ... + 2756506.

It is an arithmetic number, because the mean of its divisors is an integer number (11026000).

Almost surely, 2^38590993 is an apocalyptic number.

It is an amenable number.

38590993 is a deficient number, since it is larger than the sum of its proper divisors (5513007).

38590993 is an equidigital number, since it uses as much as digits as its factorization.

38590993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5513006.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 38590993 is about 6212.1649205410. The cubic root of 38590993 is about 337.9314806896.

It can be divided in two parts, 385 and 90993, that added together give a triangular number (91378 = T₄₂₇).

The spelling of 38590993 in words is "thirty-eight million, five hundred ninety thousand, nine hundred ninety-three".