402426337 has 2 divisors, whose sum is σ = 402426338. Its totient is φ = 402426336.

The previous prime is 402426317. The next prime is 402426341. The reversal of 402426337 is 733624204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291419041 + 111007296 = 17071^2 + 10536^2 .

It is a cyclic number.

It is not a de Polignac number, because 402426337 - 2⁷ = 402426209 is a prime.

It is a super-2 number, since 2×402426337² = 323893913422475138, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402426299 and 402426308.

It is not a weakly prime, because it can be changed into another prime (402426307) 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, 201213168 + 201213169.

It is an arithmetic number, because the mean of its divisors is an integer number (201213169).

Almost surely, 2^402426337 is an apocalyptic number.

It is an amenable number.

402426337 is a deficient number, since it is larger than the sum of its proper divisors (1).

402426337 is an equidigital number, since it uses as much as digits as its factorization.

402426337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 402426337 is about 20060.5667168203. The cubic root of 402426337 is about 738.2930812297.

The spelling of 402426337 in words is "four hundred two million, four hundred twenty-six thousand, three hundred thirty-seven".