38431074 has 32 divisors (see below), whose sum is σ = 84608064. Its totient is φ = 11540480.

The previous prime is 38431073. The next prime is 38431087. The reversal of 38431074 is 47013483.

It is not an unprimeable number, because it can be changed into a prime (38431073) 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, 4882 + ... + 10034.

It is an arithmetic number, because the mean of its divisors is an integer number (2644002).

Almost surely, 2^38431074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38431074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42304032).

38431074 is an abundant number, since it is smaller than the sum of its proper divisors (46176990).

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

38431074 is a wasteful number, since it uses less digits than its factorization.

38431074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5282.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 38431074 is about 6199.2801194977. The cubic root of 38431074 is about 337.4640444549.

The spelling of 38431074 in words is "thirty-eight million, four hundred thirty-one thousand, seventy-four".