38490593 has 4 divisors (see below), whose sum is σ = 38595840. Its totient is φ = 38385348.

The previous prime is 38490589. The next prime is 38490611. The reversal of 38490593 is 39509483.

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 38490593 - 2² = 38490589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38490593.

It is not an unprimeable number, because it can be changed into a prime (38490553) 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, 52073 + ... + 52806.

It is an arithmetic number, because the mean of its divisors is an integer number (9648960).

Almost surely, 2^38490593 is an apocalyptic number.

It is an amenable number.

38490593 is a deficient number, since it is larger than the sum of its proper divisors (105247).

38490593 is a wasteful number, since it uses less digits than its factorization.

38490593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105246.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 38490593 is about 6204.0787390232. The cubic root of 38490593 is about 337.6381671143.

The spelling of 38490593 in words is "thirty-eight million, four hundred ninety thousand, five hundred ninety-three".