38446999 has 4 divisors (see below), whose sum is σ = 38640400. Its totient is φ = 38253600.

The previous prime is 38446981. The next prime is 38447023. The reversal of 38446999 is 99964483.

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 38446999 - 2⁷ = 38446871 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 (38446909) 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, 96402 + ... + 96799.

It is an arithmetic number, because the mean of its divisors is an integer number (9660100).

Almost surely, 2^38446999 is an apocalyptic number.

38446999 is a deficient number, since it is larger than the sum of its proper divisors (193401).

38446999 is a wasteful number, since it uses less digits than its factorization.

38446999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193400.

The product of its digits is 1679616, while the sum is 52.

The square root of 38446999 is about 6200.5644097937. The cubic root of 38446999 is about 337.5106506012.

The spelling of 38446999 in words is "thirty-eight million, four hundred forty-six thousand, nine hundred ninety-nine".