38312898 has 32 divisors (see below), whose sum is σ = 83462400. Its totient is φ = 11654016.

The previous prime is 38312893. The next prime is 38312899. The reversal of 38312898 is 89821383.

It is not an unprimeable number, because it can be changed into a prime (38312893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4183 + ... + 9701.

It is an arithmetic number, because the mean of its divisors is an integer number (2608200).

Almost surely, 2^38312898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38312898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41731200).

38312898 is an abundant number, since it is smaller than the sum of its proper divisors (45149502).

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

38312898 is a wasteful number, since it uses less digits than its factorization.

38312898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5626.

The product of its digits is 82944, while the sum is 42.

The square root of 38312898 is about 6189.7413516237. The cubic root of 38312898 is about 337.1177873419.

The spelling of 38312898 in words is "thirty-eight million, three hundred twelve thousand, eight hundred ninety-eight".