38861424 has 160 divisors (see below), whose sum is σ = 129991680. Its totient is φ = 10886400.

The previous prime is 38861423. The next prime is 38861497. The reversal of 38861424 is 42416883.

38861424 is a `hidden beast` number, since 38 + 8 + 614 + 2 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38861423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214614 + ... + 214794.

It is an arithmetic number, because the mean of its divisors is an integer number (812448).

Almost surely, 2^38861424 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 38861424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64995840).

38861424 is an abundant number, since it is smaller than the sum of its proper divisors (91130256).

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

38861424 is a wasteful number, since it uses less digits than its factorization.

38861424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 264 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 38861424 is about 6233.8931655908. The cubic root of 38861424 is about 338.7190090701.

The spelling of 38861424 in words is "thirty-eight million, eight hundred sixty-one thousand, four hundred twenty-four".