38447976 has 64 divisors (see below), whose sum is σ = 110753280. Its totient is φ = 10895040.

The previous prime is 38447933. The next prime is 38448023. The reversal of 38447976 is 67974483.

It is a happy number.

It is a congruent number.

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, 21135 + ... + 22881.

It is an arithmetic number, because the mean of its divisors is an integer number (1730520).

Almost surely, 2^38447976 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 38447976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55376640).

38447976 is an abundant number, since it is smaller than the sum of its proper divisors (72305304).

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

38447976 is a wasteful number, since it uses less digits than its factorization.

38447976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894 (or 1890 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 38447976 is about 6200.6431924438. The cubic root of 38447976 is about 337.5135094730.

The spelling of 38447976 in words is "thirty-eight million, four hundred forty-seven thousand, nine hundred seventy-six".