38140999 has 8 divisors (see below), whose sum is σ = 43237040. Its totient is φ = 33353856.

The previous prime is 38140997. The next prime is 38141009. The reversal of 38140999 is 99904183.

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 38140999 - 2¹ = 38140997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38140997) 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, 76962 + ... + 77455.

It is an arithmetic number, because the mean of its divisors is an integer number (5404630).

Almost surely, 2^38140999 is an apocalyptic number.

38140999 is a deficient number, since it is larger than the sum of its proper divisors (5096041).

38140999 is a wasteful number, since it uses less digits than its factorization.

38140999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154449.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 38140999 is about 6175.8399428742. The cubic root of 38140999 is about 336.6128477619.

The spelling of 38140999 in words is "thirty-eight million, one hundred forty thousand, nine hundred ninety-nine".