38834478 has 40 divisors (see below), whose sum is σ = 88679448. Its totient is φ = 12697776.

The previous prime is 38834447. The next prime is 38834483. The reversal of 38834478 is 87443883.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6325 + ... + 10847.

Almost surely, 2^38834478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38834478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44339724).

38834478 is an abundant number, since it is smaller than the sum of its proper divisors (49844970).

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

38834478 is a wasteful number, since it uses less digits than its factorization.

38834478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4590 (or 4581 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 38834478 is about 6231.7315410727. The cubic root of 38834478 is about 338.6407032007.

The spelling of 38834478 in words is "thirty-eight million, eight hundred thirty-four thousand, four hundred seventy-eight".