38428716 has 48 divisors (see below), whose sum is σ = 97448960. Its totient is φ = 11741760.

The previous prime is 38428693. The next prime is 38428723. The reversal of 38428716 is 61782483.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4350 + ... + 9786.

Almost surely, 2^38428716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38428716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48724480).

38428716 is an abundant number, since it is smaller than the sum of its proper divisors (59020244).

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

38428716 is a wasteful number, since it uses less digits than its factorization.

38428716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5494 (or 5492 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 38428716 is about 6199.0899332079. The cubic root of 38428716 is about 337.4571424317.

The spelling of 38428716 in words is "thirty-eight million, four hundred twenty-eight thousand, seven hundred sixteen".