38797312 has 42 divisors (see below), whose sum is σ = 79691738. Its totient is φ = 18874368.

The previous prime is 38797303. The next prime is 38797379. The reversal of 38797312 is 21379783.

It can be written as a sum of positive squares in only one way, i.e., 37748736 + 1048576 = 6144^2 + 1024^2 .

It is a nialpdrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048558 + ... + 1048594.

Almost surely, 2^38797312 is an apocalyptic number.

38797312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38797312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39845869).

38797312 is an abundant number, since it is smaller than the sum of its proper divisors (40894426).

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

38797312 is an frugal number, since it uses more digits than its factorization.

38797312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 39 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 38797312 is about 6228.7488310254. The cubic root of 38797312 is about 338.5326382524.

The spelling of 38797312 in words is "thirty-eight million, seven hundred ninety-seven thousand, three hundred twelve".