376645393 has 8 divisors (see below), whose sum is σ = 388069416. Its totient is φ = 365328000.

The previous prime is 376645363. The next prime is 376645403. The reversal of 376645393 is 393546673.

It can be written as a sum of positive squares in 4 ways, for example, as 101848464 + 274796929 = 10092^2 + 16577^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 376645393 - 2¹³ = 376637201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (376645333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19458 + ... + 33643.

It is an arithmetic number, because the mean of its divisors is an integer number (48508677).

Almost surely, 2^376645393 is an apocalyptic number.

It is an amenable number.

376645393 is a deficient number, since it is larger than the sum of its proper divisors (11424023).

376645393 is a wasteful number, since it uses less digits than its factorization.

376645393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53315.

The product of its digits is 1224720, while the sum is 46.

The square root of 376645393 is about 19407.3540958061. The cubic root of 376645393 is about 722.1779429325.

The spelling of 376645393 in words is "three hundred seventy-six million, six hundred forty-five thousand, three hundred ninety-three".