383276345 has 4 divisors (see below), whose sum is σ = 459931620. Its totient is φ = 306621072.

The previous prime is 383276317. The next prime is 383276371. The reversal of 383276345 is 543672383.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543672383 = 1601 ⋅339583.

It can be written as a sum of positive squares in 2 ways, for example, as 45010681 + 338265664 = 6709^2 + 18392^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-383276345 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38327630 + ... + 38327639.

It is an arithmetic number, because the mean of its divisors is an integer number (114982905).

Almost surely, 2^383276345 is an apocalyptic number.

It is an amenable number.

383276345 is a deficient number, since it is larger than the sum of its proper divisors (76655275).

383276345 is an equidigital number, since it uses as much as digits as its factorization.

383276345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76655274.

The product of its digits is 362880, while the sum is 41.

The square root of 383276345 is about 19577.4448026294. Note that the first 3 decimals coincide. The cubic root of 383276345 is about 726.3913637663.

The spelling of 383276345 in words is "three hundred eighty-three million, two hundred seventy-six thousand, three hundred forty-five".