38472686 has 16 divisors (see below), whose sum is σ = 66393600. Its totient is φ = 16378200.

The previous prime is 38472671. The next prime is 38472689. The reversal of 38472686 is 68627483.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38472689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6986 + ... + 11213.

It is an arithmetic number, because the mean of its divisors is an integer number (4149600).

Almost surely, 2^38472686 is an apocalyptic number.

38472686 is a deficient number, since it is larger than the sum of its proper divisors (27920914).

38472686 is a wasteful number, since it uses less digits than its factorization.

38472686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18359.

The product of its digits is 387072, while the sum is 44.

The square root of 38472686 is about 6202.6354076312. The cubic root of 38472686 is about 337.5857991283.

The spelling of 38472686 in words is "thirty-eight million, four hundred seventy-two thousand, six hundred eighty-six".