336450421 has 2 divisors, whose sum is σ = 336450422. Its totient is φ = 336450420.

The previous prime is 336450407. The next prime is 336450437. The reversal of 336450421 is 124054633.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330876100 + 5574321 = 18190^2 + 2361^2 .

It is a cyclic number.

It is not a de Polignac number, because 336450421 - 2⁷ = 336450293 is a prime.

It is a super-3 number, since 3×336450421³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 336450421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (336420421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168225210 + 168225211.

It is an arithmetic number, because the mean of its divisors is an integer number (168225211).

Almost surely, 2^336450421 is an apocalyptic number.

It is an amenable number.

336450421 is a deficient number, since it is larger than the sum of its proper divisors (1).

336450421 is an equidigital number, since it uses as much as digits as its factorization.

336450421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 336450421 is about 18342.5849050781. The cubic root of 336450421 is about 695.5158401483.

The spelling of 336450421 in words is "three hundred thirty-six million, four hundred fifty thousand, four hundred twenty-one".