38871736 has 8 divisors (see below), whose sum is σ = 72884520. Its totient is φ = 19435864.

The previous prime is 38871733. The next prime is 38871757. The reversal of 38871736 is 63717883.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×38871736² = 3022023719307392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38871692 and 38871701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38871733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2429476 + ... + 2429491.

It is an arithmetic number, because the mean of its divisors is an integer number (9110565).

Almost surely, 2^38871736 is an apocalyptic number.

It is an amenable number.

38871736 is a deficient number, since it is larger than the sum of its proper divisors (34012784).

38871736 is a wasteful number, since it uses less digits than its factorization.

38871736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4858973 (or 4858969 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 38871736 is about 6234.7202022224. The cubic root of 38871736 is about 338.7489664688.

The spelling of 38871736 in words is "thirty-eight million, eight hundred seventy-one thousand, seven hundred thirty-six".