Search a number
-
+
3822397 is a prime number
BaseRepresentation
bin1110100101001100111101
321012012100021
432211030331
51434304042
6213532141
744330005
oct16451475
97165307
103822397
112180907
121344051
13a3aa97
14717005
15507867
hex3a533d

3822397 has 2 divisors, whose sum is σ = 3822398. Its totient is φ = 3822396.

The previous prime is 3822383. The next prime is 3822407. The reversal of 3822397 is 7932283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3728761 + 93636 = 1931^2 + 306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3822397 is a prime.

It is a super-2 number, since 2×38223972 = 29221437651218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3822317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1911198 + 1911199.

It is an arithmetic number, because the mean of its divisors is an integer number (1911199).

Almost surely, 23822397 is an apocalyptic number.

It is an amenable number.

3822397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3822397 is an equidigital number, since it uses as much as digits as its factorization.

3822397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 3822397 is about 1955.0951383500. The cubic root of 3822397 is about 156.3550563884.

The spelling of 3822397 in words is "three million, eight hundred twenty-two thousand, three hundred ninety-seven".