498440729 has 2 divisors, whose sum is σ = 498440730. Its totient is φ = 498440728.

The previous prime is 498440717. The next prime is 498440741. The reversal of 498440729 is 927044894.

It is a balanced prime because it is at equal distance from previous prime (498440717) and next prime (498440741).

It can be written as a sum of positive squares in only one way, i.e., 482022025 + 16418704 = 21955^2 + 4052^2 .

It is a cyclic number.

It is not a de Polignac number, because 498440729 - 2⁸ = 498440473 is a prime.

It is not a weakly prime, because it can be changed into another prime (498400729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249220364 + 249220365.

It is an arithmetic number, because the mean of its divisors is an integer number (249220365).

Almost surely, 2^498440729 is an apocalyptic number.

It is an amenable number.

498440729 is a deficient number, since it is larger than the sum of its proper divisors (1).

498440729 is an equidigital number, since it uses as much as digits as its factorization.

498440729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 498440729 is about 22325.7861899643. The cubic root of 498440729 is about 792.8746040222.

The spelling of 498440729 in words is "four hundred ninety-eight million, four hundred forty thousand, seven hundred twenty-nine".