38522709 has 20 divisors (see below), whose sum is σ = 60577440. Its totient is φ = 24329160.

The previous prime is 38522699. The next prime is 38522719. The reversal of 38522709 is 90722583.

It is a happy number.

38522709 is a `hidden beast` number, since 385 + 2 + 270 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (38522699) and next prime (38522719).

It is a de Polignac number, because none of the positive numbers 2^k-38522709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38522719) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10977 + ... + 14054.

It is an arithmetic number, because the mean of its divisors is an integer number (3028872).

Almost surely, 2^38522709 is an apocalyptic number.

It is an amenable number.

38522709 is a deficient number, since it is larger than the sum of its proper divisors (22054731).

38522709 is a wasteful number, since it uses less digits than its factorization.

38522709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25062 (or 25053 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 38522709 is about 6206.6664965986. Note that the first 3 decimals coincide. The cubic root of 38522709 is about 337.7320478266.

It can be divided in two parts, 3852 and 2709, that added together give a 8-th power (6561 = 3⁸).

The spelling of 38522709 in words is "thirty-eight million, five hundred twenty-two thousand, seven hundred nine".