38720496 has 40 divisors (see below), whose sum is σ = 101243520. Its totient is φ = 12750016.

The previous prime is 38720491. The next prime is 38720497. The reversal of 38720496 is 69402783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38720491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876 + ... + 8843.

It is an arithmetic number, because the mean of its divisors is an integer number (2531088).

Almost surely, 2^38720496 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 38720496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50621760).

38720496 is an abundant number, since it is smaller than the sum of its proper divisors (62523024).

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

38720496 is a wasteful number, since it uses less digits than its factorization.

38720496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9813 (or 9807 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 38720496 is about 6222.5795294235. The cubic root of 38720496 is about 338.3090668827.

The spelling of 38720496 in words is "thirty-eight million, seven hundred twenty thousand, four hundred ninety-six".