38731446 has 80 divisors (see below), whose sum is σ = 95500944. Its totient is φ = 11658816.

The previous prime is 38731439. The next prime is 38731453. The reversal of 38731446 is 64413783.

It is an interprime number because it is at equal distance from previous prime (38731439) and next prime (38731453).

It is a self number, because there is not a number n which added to its sum of digits gives 38731446.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 111445 + ... + 111791.

Almost surely, 2^38731446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38731446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47750472).

38731446 is an abundant number, since it is smaller than the sum of its proper divisors (56769498).

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

38731446 is a wasteful number, since it uses less digits than its factorization.

38731446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 418 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 38731446 is about 6223.4593274159. The cubic root of 38731446 is about 338.3409546899.

The spelling of 38731446 in words is "thirty-eight million, seven hundred thirty-one thousand, four hundred forty-six".