38220836 has 12 divisors (see below), whose sum is σ = 67692912. Its totient is φ = 18880008.

The previous prime is 38220827. The next prime is 38220841. The reversal of 38220836 is 63802283.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57230 + ... + 57893.

It is an arithmetic number, because the mean of its divisors is an integer number (5641076).

Almost surely, 2^38220836 is an apocalyptic number.

It is an amenable number.

38220836 is a deficient number, since it is larger than the sum of its proper divisors (29472076).

38220836 is a wasteful number, since it uses less digits than its factorization.

38220836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115210 (or 115208 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 38220836 is about 6182.3002191741. The cubic root of 38220836 is about 336.8475508491.

The spelling of 38220836 in words is "thirty-eight million, two hundred twenty thousand, eight hundred thirty-six".