9498421 has 2 divisors, whose sum is σ = 9498422. Its totient is φ = 9498420.

The previous prime is 9498413. The next prime is 9498479. The reversal of 9498421 is 1248949.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6812100 + 2686321 = 2610^2 + 1639^2 .

It is a cyclic number.

It is not a de Polignac number, because 9498421 - 2³ = 9498413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9498491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4749210 + 4749211.

It is an arithmetic number, because the mean of its divisors is an integer number (4749211).

Almost surely, 2^9498421 is an apocalyptic number.

It is an amenable number.

9498421 is a deficient number, since it is larger than the sum of its proper divisors (1).

9498421 is an equidigital number, since it uses as much as digits as its factorization.

9498421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 37.

The square root of 9498421 is about 3081.9508432160. The cubic root of 9498421 is about 211.7794445881.

The spelling of 9498421 in words is "nine million, four hundred ninety-eight thousand, four hundred twenty-one".