390077 has 2 divisors, whose sum is σ = 390078. Its totient is φ = 390076.

The previous prime is 390067. The next prime is 390083. The reversal of 390077 is 770093.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241081 + 148996 = 491^2 + 386^2 .

It is a cyclic number.

It is not a de Polignac number, because 390077 - 2¹⁴ = 373693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195038 + 195039.

It is an arithmetic number, because the mean of its divisors is an integer number (195039).

2³⁹⁰⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

390077 is a deficient number, since it is larger than the sum of its proper divisors (1).

390077 is an equidigital number, since it uses as much as digits as its factorization.

390077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1323, while the sum is 26.

The square root of 390077 is about 624.5614461364. The cubic root of 390077 is about 73.0662437409.

The spelling of 390077 in words is "three hundred ninety thousand, seventy-seven".