38286628 has 12 divisors (see below), whose sum is σ = 69914880. Its totient is φ = 18310952.

The previous prime is 38286607. The next prime is 38286629. The reversal of 38286628 is 82668283.

It is a super-2 number, since 2×38286628² = 2931731767220768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38286629) 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, 207988 + ... + 208171.

It is an arithmetic number, because the mean of its divisors is an integer number (5826240).

Almost surely, 2^38286628 is an apocalyptic number.

It is an amenable number.

38286628 is a deficient number, since it is larger than the sum of its proper divisors (31628252).

38286628 is a wasteful number, since it uses less digits than its factorization.

38286628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416186 (or 416184 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 38286628 is about 6187.6189281500. The cubic root of 38286628 is about 337.0407192210.

The spelling of 38286628 in words is "thirty-eight million, two hundred eighty-six thousand, six hundred twenty-eight".