38749099 has 4 divisors (see below), whose sum is σ = 38774736. Its totient is φ = 38723464.

The previous prime is 38749049. The next prime is 38749111. The reversal of 38749099 is 99094783.

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 38749099 - 2⁷ = 38748971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38749019) 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, 10399 + ... + 13624.

It is an arithmetic number, because the mean of its divisors is an integer number (9693684).

Almost surely, 2^38749099 is an apocalyptic number.

38749099 is a deficient number, since it is larger than the sum of its proper divisors (25637).

38749099 is a wasteful number, since it uses less digits than its factorization.

38749099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25636.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 38749099 is about 6224.8774285121. The cubic root of 38749099 is about 338.3923498421.

The spelling of 38749099 in words is "thirty-eight million, seven hundred forty-nine thousand, ninety-nine".