7396381 has 2 divisors, whose sum is σ = 7396382. Its totient is φ = 7396380.

The previous prime is 7396373. The next prime is 7396397. The reversal of 7396381 is 1836937.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4536900 + 2859481 = 2130^2 + 1691^2 .

It is an emirp because it is prime and its reverse (1836937) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7396381 - 2³ = 7396373 is a prime.

It is a super-2 number, since 2×7396381² = 109412903794322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7396381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7396481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3698190 + 3698191.

It is an arithmetic number, because the mean of its divisors is an integer number (3698191).

Almost surely, 2^7396381 is an apocalyptic number.

It is an amenable number.

7396381 is a deficient number, since it is larger than the sum of its proper divisors (1).

7396381 is an equidigital number, since it uses as much as digits as its factorization.

7396381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 7396381 is about 2719.6288349699. The cubic root of 7396381 is about 194.8377436151.

It can be divided in two parts, 7396 and 381, that added together give a palindrome (7777).

The spelling of 7396381 in words is "seven million, three hundred ninety-six thousand, three hundred eighty-one".