38642378 has 8 divisors (see below), whose sum is σ = 58075968. Its totient is φ = 19283724.

The previous prime is 38642339. The next prime is 38642381. The reversal of 38642378 is 87324683.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17426 + ... + 19517.

It is an arithmetic number, because the mean of its divisors is an integer number (7259496).

Almost surely, 2^38642378 is an apocalyptic number.

38642378 is a deficient number, since it is larger than the sum of its proper divisors (19433590).

38642378 is a wasteful number, since it uses less digits than its factorization.

38642378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37468.

The product of its digits is 193536, while the sum is 41.

The square root of 38642378 is about 6216.2993814648. The cubic root of 38642378 is about 338.0814026128.

The spelling of 38642378 in words is "thirty-eight million, six hundred forty-two thousand, three hundred seventy-eight".