38840148 has 72 divisors (see below), whose sum is σ = 105181440. Its totient is φ = 12519360.

The previous prime is 38840147. The next prime is 38840159. The reversal of 38840148 is 84104883.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38840147) 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 23 ways as a sum of consecutive naturals, for example, 29488 + ... + 30776.

Almost surely, 2^38840148 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 38840148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52590720).

38840148 is an abundant number, since it is smaller than the sum of its proper divisors (66341292).

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

38840148 is a wasteful number, since it uses less digits than its factorization.

38840148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339 (or 1325 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 38840148 is about 6232.1864542069. The cubic root of 38840148 is about 338.6571833960.

The spelling of 38840148 in words is "thirty-eight million, eight hundred forty thousand, one hundred forty-eight".