38251136 has 64 divisors (see below), whose sum is σ = 95031360. Its totient is φ = 14899200.

The previous prime is 38251127. The next prime is 38251141. The reversal of 38251136 is 63115283.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 38251099 and 38251108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7916 + ... + 11796.

It is an arithmetic number, because the mean of its divisors is an integer number (1484865).

Almost surely, 2^38251136 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 38251136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47515680).

38251136 is an abundant number, since it is smaller than the sum of its proper divisors (56780224).

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

38251136 is a wasteful number, since it uses less digits than its factorization.

38251136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3913 (or 3901 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 38251136 is about 6184.7502779013. The cubic root of 38251136 is about 336.9365405726.

The spelling of 38251136 in words is "thirty-eight million, two hundred fifty-one thousand, one hundred thirty-six".