38077221 has 24 divisors (see below), whose sum is σ = 62834880. Its totient is φ = 20082816.

The previous prime is 38077211. The next prime is 38077223. The reversal of 38077221 is 12277083.

It is not a de Polignac number, because 38077221 - 2⁵ = 38077189 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38077223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1816 + ... + 8913.

It is an arithmetic number, because the mean of its divisors is an integer number (2618120).

Almost surely, 2^38077221 is an apocalyptic number.

It is an amenable number.

38077221 is a deficient number, since it is larger than the sum of its proper divisors (24757659).

38077221 is a wasteful number, since it uses less digits than its factorization.

38077221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10765 (or 10752 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 38077221 is about 6170.6742743399. The cubic root of 38077221 is about 336.4251191394.

The spelling of 38077221 in words is "thirty-eight million, seventy-seven thousand, two hundred twenty-one".