388277 has 2 divisors, whose sum is σ = 388278. Its totient is φ = 388276.

The previous prime is 388273. The next prime is 388301. The reversal of 388277 is 772883.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323761 + 64516 = 569^2 + 254^2 .

It is a cyclic number.

It is not a de Polignac number, because 388277 - 2² = 388273 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 3⁵ + 8⁴ + 2¹⁸ + 8⁴ + 7² + 7⁶ .

It is a plaindrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 388277.

It is not a weakly prime, because it can be changed into another prime (388273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194138 + 194139.

It is an arithmetic number, because the mean of its divisors is an integer number (194139).

2³⁸⁸²⁷⁷ is an apocalyptic number.

It is an amenable number.

388277 is a deficient number, since it is larger than the sum of its proper divisors (1).

388277 is an equidigital number, since it uses as much as digits as its factorization.

388277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 35.

The square root of 388277 is about 623.1187687753. The cubic root of 388277 is about 72.9536830104.

The spelling of 388277 in words is "three hundred eighty-eight thousand, two hundred seventy-seven".