38507688 has 48 divisors (see below), whose sum is σ = 105236820. Its totient is φ = 12719616.

The previous prime is 38507687. The next prime is 38507717. The reversal of 38507688 is 88670583.

It can be written as a sum of positive squares in 2 ways, for example, as 29615364 + 8892324 = 5442^2 + 2982^2 .

It is not an unprimeable number, because it can be changed into a prime (38507687) 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 11 ways as a sum of consecutive naturals, for example, 5770 + ... + 10502.

Almost surely, 2^38507688 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 38507688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52618410).

38507688 is an abundant number, since it is smaller than the sum of its proper divisors (66729132).

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

38507688 is a wasteful number, since it uses less digits than its factorization.

38507688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4858 (or 4851 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 38507688 is about 6205.4563087657. The cubic root of 38507688 is about 337.6881453014.

The spelling of 38507688 in words is "thirty-eight million, five hundred seven thousand, six hundred eighty-eight".