38699487 has 12 divisors (see below), whose sum is σ = 56954664. Its totient is φ = 25312560.

The previous prime is 38699483. The next prime is 38699489. The reversal of 38699487 is 78499683.

It is not a de Polignac number, because 38699487 - 2² = 38699483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38699483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40089 + ... + 41042.

It is an arithmetic number, because the mean of its divisors is an integer number (4746222).

Almost surely, 2^38699487 is an apocalyptic number.

38699487 is a deficient number, since it is larger than the sum of its proper divisors (18255177).

38699487 is a wasteful number, since it uses less digits than its factorization.

38699487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81190 (or 81187 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 38699487 is about 6220.8911741004. The cubic root of 38699487 is about 338.2478691383.

The spelling of 38699487 in words is "thirty-eight million, six hundred ninety-nine thousand, four hundred eighty-seven".