928490131 has 2 divisors, whose sum is σ = 928490132. Its totient is φ = 928490130.

The previous prime is 928490117. The next prime is 928490137. The reversal of 928490131 is 131094829.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 928490131 - 2²¹ = 926392979 is a prime.

It is a super-2 number, since 2×928490131² = 1724187846728794322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (928490137) 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, 464245065 + 464245066.

It is an arithmetic number, because the mean of its divisors is an integer number (464245066).

Almost surely, 2^928490131 is an apocalyptic number.

928490131 is a deficient number, since it is larger than the sum of its proper divisors (1).

928490131 is an equidigital number, since it uses as much as digits as its factorization.

928490131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 928490131 is about 30471.1360306766. The cubic root of 928490131 is about 975.5714838576.

The spelling of 928490131 in words is "nine hundred twenty-eight million, four hundred ninety thousand, one hundred thirty-one".