38345899 has 4 divisors (see below), whose sum is σ = 40013136. Its totient is φ = 36678664.

The previous prime is 38345887. The next prime is 38345921. The reversal of 38345899 is 99854383.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38345899 - 2⁷ = 38345771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38345869) 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, 833584 + ... + 833629.

It is an arithmetic number, because the mean of its divisors is an integer number (10003284).

Almost surely, 2^38345899 is an apocalyptic number.

38345899 is a deficient number, since it is larger than the sum of its proper divisors (1667237).

38345899 is a wasteful number, since it uses less digits than its factorization.

38345899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667236.

The product of its digits is 933120, while the sum is 49.

The square root of 38345899 is about 6192.4065596503. The cubic root of 38345899 is about 337.2145522431.

The spelling of 38345899 in words is "thirty-eight million, three hundred forty-five thousand, eight hundred ninety-nine".