38678493 has 12 divisors (see below), whose sum is σ = 59991360. Its totient is φ = 22101912.

The previous prime is 38678477. The next prime is 38678503. The reversal of 38678493 is 39487683.

It is not a de Polignac number, because 38678493 - 2⁴ = 38678477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38678413) 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, 131413 + ... + 131706.

It is an arithmetic number, because the mean of its divisors is an integer number (4999280).

Almost surely, 2^38678493 is an apocalyptic number.

It is an amenable number.

38678493 is a deficient number, since it is larger than the sum of its proper divisors (21312867).

38678493 is a wasteful number, since it uses less digits than its factorization.

38678493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263136 (or 263129 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 38678493 is about 6219.2035663741. The cubic root of 38678493 is about 338.1866929591.

The spelling of 38678493 in words is "thirty-eight million, six hundred seventy-eight thousand, four hundred ninety-three".