38297805 has 32 divisors (see below), whose sum is σ = 75419904. Its totient is φ = 16160256.

The previous prime is 38297801. The next prime is 38297837. The reversal of 38297805 is 50879283.

It is not a de Polignac number, because 38297805 - 2² = 38297801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38297801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12664 + ... + 15393.

It is an arithmetic number, because the mean of its divisors is an integer number (2356872).

Almost surely, 2^38297805 is an apocalyptic number.

38297805 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38297805 is a deficient number, since it is larger than the sum of its proper divisors (37122099).

38297805 is a wasteful number, since it uses less digits than its factorization.

38297805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28085.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 38297805 is about 6188.5220368033. The cubic root of 38297805 is about 337.0735134175.

The spelling of 38297805 in words is "thirty-eight million, two hundred ninety-seven thousand, eight hundred five".