38499793 has 4 divisors (see below), whose sum is σ = 38661120. Its totient is φ = 38338468.

The previous prime is 38499787. The next prime is 38499817. The reversal of 38499793 is 39799483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39799483 = 1657 ⋅24019.

It is not a de Polignac number, because 38499793 - 2⁵ = 38499761 is a prime.

It is a super-2 number, since 2×38499793² = 2964468122085698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38499793.

It is not an unprimeable number, because it can be changed into a prime (38499743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80305 + ... + 80782.

It is an arithmetic number, because the mean of its divisors is an integer number (9665280).

Almost surely, 2^38499793 is an apocalyptic number.

It is an amenable number.

38499793 is a deficient number, since it is larger than the sum of its proper divisors (161327).

38499793 is a wasteful number, since it uses less digits than its factorization.

38499793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161326.

The product of its digits is 1469664, while the sum is 52.

The square root of 38499793 is about 6204.8201424377. The cubic root of 38499793 is about 337.6650656666.

The spelling of 38499793 in words is "thirty-eight million, four hundred ninety-nine thousand, seven hundred ninety-three".