38780283 has 4 divisors (see below), whose sum is σ = 51707048. Its totient is φ = 25853520.

The previous prime is 38780267. The next prime is 38780293. The reversal of 38780283 is 38208783.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38208783 = 3 ⋅12736261.

It is not a de Polignac number, because 38780283 - 2⁴ = 38780267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38780233) 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, 6463378 + ... + 6463383.

It is an arithmetic number, because the mean of its divisors is an integer number (12926762).

Almost surely, 2^38780283 is an apocalyptic number.

38780283 is a deficient number, since it is larger than the sum of its proper divisors (12926765).

38780283 is a wasteful number, since it uses less digits than its factorization.

38780283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12926764.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 38780283 is about 6227.3817130476. The cubic root of 38780283 is about 338.4831011784.

The spelling of 38780283 in words is "thirty-eight million, seven hundred eighty thousand, two hundred eighty-three".