38133620 has 24 divisors (see below), whose sum is σ = 91521024. Its totient is φ = 13074336.

The previous prime is 38133619. The next prime is 38133629. The reversal of 38133620 is 2633183.

It is a self number, because there is not a number n which added to its sum of digits gives 38133620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38133629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136052 + ... + 136331.

It is an arithmetic number, because the mean of its divisors is an integer number (3813376).

Almost surely, 2^38133620 is an apocalyptic number.

It is an amenable number.

38133620 is an abundant number, since it is smaller than the sum of its proper divisors (53387404).

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

38133620 is a wasteful number, since it uses less digits than its factorization.

38133620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272399 (or 272397 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 38133620 is about 6175.2425053596. The cubic root of 38133620 is about 336.5911386084.

The spelling of 38133620 in words is "thirty-eight million, one hundred thirty-three thousand, six hundred twenty".