38977223 has 2 divisors, whose sum is σ = 38977224. Its totient is φ = 38977222.

The previous prime is 38977139. The next prime is 38977273. The reversal of 38977223 is 32277983.

It is a strong prime.

It is an emirp because it is prime and its reverse (32277983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38977223 - 2¹² = 38973127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38977273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19488611 + 19488612.

It is an arithmetic number, because the mean of its divisors is an integer number (19488612).

Almost surely, 2^38977223 is an apocalyptic number.

38977223 is a deficient number, since it is larger than the sum of its proper divisors (1).

38977223 is an equidigital number, since it uses as much as digits as its factorization.

38977223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 38977223 is about 6243.1741125809. The cubic root of 38977223 is about 339.0551129639.

The spelling of 38977223 in words is "thirty-eight million, nine hundred seventy-seven thousand, two hundred twenty-three".