38616845 has 16 divisors (see below), whose sum is σ = 47824128. Its totient is φ = 29918400.

The previous prime is 38616821. The next prime is 38616869. The reversal of 38616845 is 54861683.

It is an interprime number because it is at equal distance from previous prime (38616821) and next prime (38616869).

It is not a de Polignac number, because 38616845 - 2¹⁶ = 38551309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22922 + ... + 24548.

It is an arithmetic number, because the mean of its divisors is an integer number (2989008).

Almost surely, 2^38616845 is an apocalyptic number.

It is an amenable number.

38616845 is a deficient number, since it is larger than the sum of its proper divisors (9207283).

38616845 is a wasteful number, since it uses less digits than its factorization.

38616845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780.

The product of its digits is 138240, while the sum is 41.

The square root of 38616845 is about 6214.2453282760. The cubic root of 38616845 is about 338.0069236354.

The spelling of 38616845 in words is "thirty-eight million, six hundred sixteen thousand, eight hundred forty-five".