38281438 has 32 divisors (see below), whose sum is σ = 64110816. Its totient is φ = 17031168.

The previous prime is 38281429. The next prime is 38281457. The reversal of 38281438 is 83418283.

It is a junction number, because it is equal to n+sod(n) for n = 38281397 and 38281406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108270 + ... + 108622.

It is an arithmetic number, because the mean of its divisors is an integer number (2003463).

Almost surely, 2^38281438 is an apocalyptic number.

38281438 is a deficient number, since it is larger than the sum of its proper divisors (25829378).

38281438 is a wasteful number, since it uses less digits than its factorization.

38281438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508.

The product of its digits is 36864, while the sum is 37.

The square root of 38281438 is about 6187.1995280579. The cubic root of 38281438 is about 337.0254891832.

The spelling of 38281438 in words is "thirty-eight million, two hundred eighty-one thousand, four hundred thirty-eight".