38694861 has 16 divisors (see below), whose sum is σ = 57424320. Its totient is φ = 25752240.

The previous prime is 38694847. The next prime is 38694863. The reversal of 38694861 is 16849683.

It is not a de Polignac number, because 38694861 - 2¹¹ = 38692813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38694863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24646 + ... + 26168.

It is an arithmetic number, because the mean of its divisors is an integer number (3589020).

Almost surely, 2^38694861 is an apocalyptic number.

It is an amenable number.

38694861 is a deficient number, since it is larger than the sum of its proper divisors (18729459).

38694861 is a wasteful number, since it uses less digits than its factorization.

38694861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473 (or 2467 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 38694861 is about 6220.5193513082. The cubic root of 38694861 is about 338.2343909494.

The spelling of 38694861 in words is "thirty-eight million, six hundred ninety-four thousand, eight hundred sixty-one".