928046381 has 2 divisors, whose sum is σ = 928046382. Its totient is φ = 928046380.

The previous prime is 928046363. The next prime is 928046387. The reversal of 928046381 is 183640829.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 897961156 + 30085225 = 29966^2 + 5485^2 .

It is an emirp because it is prime and its reverse (183640829) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 928046381 - 2¹⁴ = 928029997 is a prime.

It is a super-2 number, since 2×928046381² = 1722540170574394322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (928046387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 464023190 + 464023191.

It is an arithmetic number, because the mean of its divisors is an integer number (464023191).

Almost surely, 2^928046381 is an apocalyptic number.

It is an amenable number.

928046381 is a deficient number, since it is larger than the sum of its proper divisors (1).

928046381 is an equidigital number, since it uses as much as digits as its factorization.

928046381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 928046381 is about 30463.8536794018. The cubic root of 928046381 is about 975.4160419503.

The spelling of 928046381 in words is "nine hundred twenty-eight million, forty-six thousand, three hundred eighty-one".