38697471 has 24 divisors (see below), whose sum is σ = 59470320. Its totient is φ = 24178176.

The previous prime is 38697437. The next prime is 38697479. The reversal of 38697471 is 17479683.

It is not a de Polignac number, because 38697471 - 2¹⁰ = 38696447 is a prime.

It is a super-3 number, since 3×38697471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38697479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15421 + ... + 17753.

It is an arithmetic number, because the mean of its divisors is an integer number (2477930).

Almost surely, 2^38697471 is an apocalyptic number.

38697471 is a deficient number, since it is larger than the sum of its proper divisors (20772849).

38697471 is a wasteful number, since it uses less digits than its factorization.

38697471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455 (or 2452 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 38697471 is about 6220.7291373279. The cubic root of 38697471 is about 338.2419955071.

The spelling of 38697471 in words is "thirty-eight million, six hundred ninety-seven thousand, four hundred seventy-one".