38493806 has 24 divisors (see below), whose sum is σ = 63582984. Its totient is φ = 17465760.

The previous prime is 38493803. The next prime is 38493821. The reversal of 38493806 is 60839483.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38493803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19685 + ... + 21551.

It is an arithmetic number, because the mean of its divisors is an integer number (2649291).

Almost surely, 2^38493806 is an apocalyptic number.

38493806 is a deficient number, since it is larger than the sum of its proper divisors (25089178).

38493806 is a wasteful number, since it uses less digits than its factorization.

38493806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 38493806 is about 6204.3376761746. The cubic root of 38493806 is about 337.6475616283.

The spelling of 38493806 in words is "thirty-eight million, four hundred ninety-three thousand, eight hundred six".