38940278 has 16 divisors (see below), whose sum is σ = 64934016. Its totient is φ = 17392320.

The previous prime is 38940277. The next prime is 38940281. The reversal of 38940278 is 87204983.

38940278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38940271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23351 + ... + 24962.

It is an arithmetic number, because the mean of its divisors is an integer number (4058376).

Almost surely, 2^38940278 is an apocalyptic number.

38940278 is a deficient number, since it is larger than the sum of its proper divisors (25993738).

38940278 is a wasteful number, since it uses less digits than its factorization.

38940278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48359.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 38940278 is about 6240.2145796439. The cubic root of 38940278 is about 338.9479533629.

The spelling of 38940278 in words is "thirty-eight million, nine hundred forty thousand, two hundred seventy-eight".