38971224 has 24 divisors (see below), whose sum is σ = 105547260. Its totient is φ = 12990384.

The previous prime is 38971217. The next prime is 38971243. The reversal of 38971224 is 42217983.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 270562 + ... + 270705.

Almost surely, 2^38971224 is an apocalyptic number.

It is an amenable number.

38971224 is an abundant number, since it is smaller than the sum of its proper divisors (66576036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38971224 is a wasteful number, since it uses less digits than its factorization.

38971224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541279 (or 541272 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 38971224 is about 6242.6936493792. The cubic root of 38971224 is about 339.0377173686.

The spelling of 38971224 in words is "thirty-eight million, nine hundred seventy-one thousand, two hundred twenty-four".