38647412 has 6 divisors (see below), whose sum is σ = 67632978. Its totient is φ = 19323704.

The previous prime is 38647397. The next prime is 38647439. The reversal of 38647412 is 21474683.

It can be written as a sum of positive squares in only one way, i.e., 22033636 + 16613776 = 4694^2 + 4076^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4830923 + ... + 4830930.

It is an arithmetic number, because the mean of its divisors is an integer number (11272163).

Almost surely, 2^38647412 is an apocalyptic number.

It is an amenable number.

38647412 is a deficient number, since it is larger than the sum of its proper divisors (28985566).

38647412 is a wasteful number, since it uses less digits than its factorization.

38647412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9661857 (or 9661855 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 38647412 is about 6216.7042715574. The cubic root of 38647412 is about 338.0960827643.

The spelling of 38647412 in words is "thirty-eight million, six hundred forty-seven thousand, four hundred twelve".