336973421 has 2 divisors, whose sum is σ = 336973422. Its totient is φ = 336973420.

The previous prime is 336973397. The next prime is 336973433. The reversal of 336973421 is 124379633.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 289170025 + 47803396 = 17005^2 + 6914^2 .

It is a cyclic number.

It is not a de Polignac number, because 336973421 - 2²⁶ = 269864557 is a prime.

It is a super-2 number, since 2×336973421² = 227102172920886482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (336973121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168486710 + 168486711.

It is an arithmetic number, because the mean of its divisors is an integer number (168486711).

Almost surely, 2^336973421 is an apocalyptic number.

It is an amenable number.

336973421 is a deficient number, since it is larger than the sum of its proper divisors (1).

336973421 is an equidigital number, since it uses as much as digits as its factorization.

336973421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 38.

The square root of 336973421 is about 18356.8358112176. The cubic root of 336973421 is about 695.8760383064.

The spelling of 336973421 in words is "three hundred thirty-six million, nine hundred seventy-three thousand, four hundred twenty-one".