38045811 has 4 divisors (see below), whose sum is σ = 50727752. Its totient is φ = 25363872.

The previous prime is 38045803. The next prime is 38045837. The reversal of 38045811 is 11854083.

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

It is not a de Polignac number, because 38045811 - 2³ = 38045803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38045801) 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, 6340966 + ... + 6340971.

It is an arithmetic number, because the mean of its divisors is an integer number (12681938).

Almost surely, 2^38045811 is an apocalyptic number.

38045811 is a deficient number, since it is larger than the sum of its proper divisors (12681941).

38045811 is a wasteful number, since it uses less digits than its factorization.

38045811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12681940.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 38045811 is about 6168.1286465183. The cubic root of 38045811 is about 336.3325877023.

Adding to 38045811 its reverse (11854083), we get a palindrome (49899894).

The spelling of 38045811 in words is "thirty-eight million, forty-five thousand, eight hundred eleven".