38720626 has 32 divisors (see below), whose sum is σ = 69114240. Its totient is φ = 15918336.

The previous prime is 38720623. The next prime is 38720641. The reversal of 38720626 is 62602783.

38720626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38720591 and 38720600.

It is not an unprimeable number, because it can be changed into a prime (38720623) 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 15 ways as a sum of consecutive naturals, for example, 114730 + ... + 115066.

It is an arithmetic number, because the mean of its divisors is an integer number (2159820).

Almost surely, 2^38720626 is an apocalyptic number.

38720626 is a deficient number, since it is larger than the sum of its proper divisors (30393614).

38720626 is a wasteful number, since it uses less digits than its factorization.

38720626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 38720626 is about 6222.5899752434. The cubic root of 38720626 is about 338.3094454946.

The spelling of 38720626 in words is "thirty-eight million, seven hundred twenty thousand, six hundred twenty-six".