38101428 has 36 divisors (see below), whose sum is σ = 99881600. Its totient is φ = 12700152.

The previous prime is 38101421. The next prime is 38101489. The reversal of 38101428 is 82410183.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38101421) 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, 18628 + ... + 20571.

Almost surely, 2^38101428 is an apocalyptic number.

It is an amenable number.

38101428 is an abundant number, since it is smaller than the sum of its proper divisors (61780172).

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

38101428 is a wasteful number, since it uses less digits than its factorization.

38101428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39218 (or 39204 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 38101428 is about 6172.6354177126. The cubic root of 38101428 is about 336.4963963797.

The spelling of 38101428 in words is "thirty-eight million, one hundred one thousand, four hundred twenty-eight".