38287243 has 6 divisors (see below), whose sum is σ = 39200244. Its totient is φ = 37395036.

The previous prime is 38287237. The next prime is 38287297. The reversal of 38287243 is 34278283.

It is a happy number.

It is not a de Polignac number, because 38287243 - 2⁵ = 38287211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38287343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8505 + ... + 12202.

It is an arithmetic number, because the mean of its divisors is an integer number (6533374).

Almost surely, 2^38287243 is an apocalyptic number.

38287243 is a deficient number, since it is larger than the sum of its proper divisors (913001).

38287243 is an equidigital number, since it uses as much as digits as its factorization.

38287243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20793 (or 20750 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 38287243 is about 6187.6686239649. The cubic root of 38287243 is about 337.0425238453.

The spelling of 38287243 in words is "thirty-eight million, two hundred eighty-seven thousand, two hundred forty-three".