38802091 has 4 divisors (see below), whose sum is σ = 38821384. Its totient is φ = 38782800.

The previous prime is 38802089. The next prime is 38802097. The reversal of 38802091 is 19020883.

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 38802091 - 2¹ = 38802089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38802097) 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, 6225 + ... + 10786.

It is an arithmetic number, because the mean of its divisors is an integer number (9705346).

Almost surely, 2^38802091 is an apocalyptic number.

38802091 is a deficient number, since it is larger than the sum of its proper divisors (19293).

38802091 is a wasteful number, since it uses less digits than its factorization.

38802091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19292.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 38802091 is about 6229.1324436072. The cubic root of 38802091 is about 338.5465376780.

The spelling of 38802091 in words is "thirty-eight million, eight hundred two thousand, ninety-one".