38497718 has 32 divisors (see below), whose sum is σ = 67630080. Its totient is φ = 16096320.

The previous prime is 38497717. The next prime is 38497721. The reversal of 38497718 is 81779483.

It is a Curzon number.

It is a plaindrome in base 8.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38497717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141923 + ... + 142193.

It is an arithmetic number, because the mean of its divisors is an integer number (2113440).

Almost surely, 2^38497718 is an apocalyptic number.

38497718 is a deficient number, since it is larger than the sum of its proper divisors (29132362).

38497718 is a wasteful number, since it uses less digits than its factorization.

38497718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492.

The product of its digits is 338688, while the sum is 47.

The square root of 38497718 is about 6204.6529314701. The cubic root of 38497718 is about 337.6589992478.

The spelling of 38497718 in words is "thirty-eight million, four hundred ninety-seven thousand, seven hundred eighteen".