38091828 has 12 divisors (see below), whose sum is σ = 88880960. Its totient is φ = 12697272.

The previous prime is 38091817. The next prime is 38091869. The reversal of 38091828 is 82819083.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1587148 + ... + 1587171.

Almost surely, 2^38091828 is an apocalyptic number.

It is an amenable number.

38091828 is an abundant number, since it is smaller than the sum of its proper divisors (50789132).

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

38091828 is a wasteful number, since it uses less digits than its factorization.

38091828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174326 (or 3174324 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 38091828 is about 6171.8577430138. The cubic root of 38091828 is about 336.4681329005.

The spelling of 38091828 in words is "thirty-eight million, ninety-one thousand, eight hundred twenty-eight".