38297149 has 4 divisors (see below), whose sum is σ = 41778720. Its totient is φ = 34815580.

The previous prime is 38297143. The next prime is 38297173. The reversal of 38297149 is 94179283.

38297149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38297149 - 2⁹ = 38296637 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 (38297143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1740769 + ... + 1740790.

It is an arithmetic number, because the mean of its divisors is an integer number (10444680).

Almost surely, 2^38297149 is an apocalyptic number.

It is an amenable number.

38297149 is a deficient number, since it is larger than the sum of its proper divisors (3481571).

38297149 is a wasteful number, since it uses less digits than its factorization.

38297149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481570.

The product of its digits is 108864, while the sum is 43.

The square root of 38297149 is about 6188.4690352300. The cubic root of 38297149 is about 337.0715888382.

The spelling of 38297149 in words is "thirty-eight million, two hundred ninety-seven thousand, one hundred forty-nine".