4780397 has 2 divisors, whose sum is σ = 4780398. Its totient is φ = 4780396.

The previous prime is 4780379. The next prime is 4780403. The reversal of 4780397 is 7930874.

Together with previous prime (4780379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4056196 + 724201 = 2014^2 + 851^2 .

It is a cyclic number.

It is not a de Polignac number, because 4780397 - 2¹⁶ = 4714861 is a prime.

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 4780397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4780337) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2390198 + 2390199.

It is an arithmetic number, because the mean of its divisors is an integer number (2390199).

Almost surely, 2^4780397 is an apocalyptic number.

It is an amenable number.

4780397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4780397 is an equidigital number, since it uses as much as digits as its factorization.

4780397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 4780397 is about 2186.4119008092. The cubic root of 4780397 is about 168.4565834834.

The spelling of 4780397 in words is "four million, seven hundred eighty thousand, three hundred ninety-seven".