38678946 has 16 divisors (see below), whose sum is σ = 81429600. Its totient is φ = 12214368.

The previous prime is 38678921. The next prime is 38678951. The reversal of 38678946 is 64987683.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169531 + ... + 169758.

It is an arithmetic number, because the mean of its divisors is an integer number (5089350).

Almost surely, 2^38678946 is an apocalyptic number.

38678946 is an abundant number, since it is smaller than the sum of its proper divisors (42750654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38678946 is a wasteful number, since it uses less digits than its factorization.

38678946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339313.

The product of its digits is 1741824, while the sum is 51.

The square root of 38678946 is about 6219.2399857217. The cubic root of 38678946 is about 338.1880132275.

The spelling of 38678946 in words is "thirty-eight million, six hundred seventy-eight thousand, nine hundred forty-six".