38834778 has 8 divisors (see below), whose sum is σ = 77669568. Its totient is φ = 12944924.

The previous prime is 38834771. The next prime is 38834779. The reversal of 38834778 is 87743883.

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

38834778 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (38834771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3236226 + ... + 3236237.

It is an arithmetic number, because the mean of its divisors is an integer number (9708696).

Almost surely, 2^38834778 is an apocalyptic number.

38834778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38834778 is a wasteful number, since it uses less digits than its factorization.

38834778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6472468.

The product of its digits is 903168, while the sum is 48.

The square root of 38834778 is about 6231.7556113827. The cubic root of 38834778 is about 338.6415752089.

The spelling of 38834778 in words is "thirty-eight million, eight hundred thirty-four thousand, seven hundred seventy-eight".