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390097 is a prime number
BaseRepresentation
bin1011111001111010001
3201211010001
41133033101
544440342
612210001
73213211
oct1371721
9654101
10390097
112470a4
12169901
13108736
14a2241
157a8b7
hex5f3d1

390097 has 2 divisors, whose sum is σ = 390098. Its totient is φ = 390096.

The previous prime is 390083. The next prime is 390101. The reversal of 390097 is 790093.

It can be divided in two parts, 3 and 90097, that added together give a triangular number (90100 = T424).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 364816 + 25281 = 604^2 + 159^2 .

It is an emirp because it is prime and its reverse (790093) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-390097 is a prime.

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, 195048 + 195049.

It is an arithmetic number, because the mean of its divisors is an integer number (195049).

2390097 is an apocalyptic number.

It is an amenable number.

390097 is a deficient number, since it is larger than the sum of its proper divisors (1).

390097 is an equidigital number, since it uses as much as digits as its factorization.

390097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701, while the sum is 28.

The square root of 390097 is about 624.5774571660. The cubic root of 390097 is about 73.0674924687.

The spelling of 390097 in words is "three hundred ninety thousand, ninety-seven".