387297373 has 2 divisors, whose sum is σ = 387297374. Its totient is φ = 387297372.

The previous prime is 387297371. The next prime is 387297397. The reversal of 387297373 is 373792783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370870564 + 16426809 = 19258^2 + 4053^2 .

It is a cyclic number.

It is not a de Polignac number, because 387297373 - 2¹ = 387297371 is a prime.

It is a super-2 number, since 2×387297373² = 299998510265402258, which contains 22 as substring.

Together with 387297371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387297371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193648686 + 193648687.

It is an arithmetic number, because the mean of its divisors is an integer number (193648687).

Almost surely, 2^387297373 is an apocalyptic number.

It is an amenable number.

387297373 is a deficient number, since it is larger than the sum of its proper divisors (1).

387297373 is an equidigital number, since it uses as much as digits as its factorization.

387297373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1333584, while the sum is 49.

The square root of 387297373 is about 19679.8722810896. The cubic root of 387297373 is about 728.9227703271.

The spelling of 387297373 in words is "three hundred eighty-seven million, two hundred ninety-seven thousand, three hundred seventy-three".