38722906 has 16 divisors (see below), whose sum is σ = 63486720. Its totient is φ = 17634240.

The previous prime is 38722897. The next prime is 38722907. The reversal of 38722906 is 60922783.

It is not an unprimeable number, because it can be changed into a prime (38722907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17316 + ... + 19423.

It is an arithmetic number, because the mean of its divisors is an integer number (3967920).

Almost surely, 2^38722906 is an apocalyptic number.

38722906 is a deficient number, since it is larger than the sum of its proper divisors (24763814).

38722906 is a wasteful number, since it uses less digits than its factorization.

38722906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36789.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 38722906 is about 6222.7731760044. The cubic root of 38722906 is about 338.3160856283.

The spelling of 38722906 in words is "thirty-eight million, seven hundred twenty-two thousand, nine hundred six".