38493807 has 8 divisors (see below), whose sum is σ = 55991040. Its totient is φ = 23329560.

The previous prime is 38493803. The next prime is 38493821. The reversal of 38493807 is 70839483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38493807 - 2² = 38493803 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 583207 + ... + 583272.

It is an arithmetic number, because the mean of its divisors is an integer number (6998880).

Almost surely, 2^38493807 is an apocalyptic number.

38493807 is a deficient number, since it is larger than the sum of its proper divisors (17497233).

38493807 is a wasteful number, since it uses less digits than its factorization.

38493807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166493.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 38493807 is about 6204.3377567634. The cubic root of 38493807 is about 337.6475645521.

The spelling of 38493807 in words is "thirty-eight million, four hundred ninety-three thousand, eight hundred seven".