376381393 has 4 divisors (see below), whose sum is σ = 396190960. Its totient is φ = 356571828.

The previous prime is 376381373. The next prime is 376381409. The reversal of 376381393 is 393183673.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 393183673 = 461 ⋅852893.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-376381393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (376381363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9904755 + ... + 9904792.

It is an arithmetic number, because the mean of its divisors is an integer number (99047740).

Almost surely, 2^376381393 is an apocalyptic number.

It is an amenable number.

376381393 is a deficient number, since it is larger than the sum of its proper divisors (19809567).

376381393 is a wasteful number, since it uses less digits than its factorization.

376381393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19809566.

The product of its digits is 244944, while the sum is 43.

The square root of 376381393 is about 19400.5513581444. The cubic root of 376381393 is about 722.0091727464.

The spelling of 376381393 in words is "three hundred seventy-six million, three hundred eighty-one thousand, three hundred ninety-three".