38440533 has 8 divisors (see below), whose sum is σ = 51420096. Its totient is φ = 25544000.

The previous prime is 38440511. The next prime is 38440541. The reversal of 38440533 is 33504483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38440533 - 2⁸ = 38440277 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38440533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38440543) 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, 19668 + ... + 21533.

It is an arithmetic number, because the mean of its divisors is an integer number (6427512).

Almost surely, 2^38440533 is an apocalyptic number.

It is an amenable number.

38440533 is a deficient number, since it is larger than the sum of its proper divisors (12979563).

38440533 is a wasteful number, since it uses less digits than its factorization.

38440533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41515.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 38440533 is about 6200.0429837220. The cubic root of 38440533 is about 337.4917287411.

The spelling of 38440533 in words is "thirty-eight million, four hundred forty thousand, five hundred thirty-three".