402793343 has 2 divisors, whose sum is σ = 402793344. Its totient is φ = 402793342.

The previous prime is 402793249. The next prime is 402793351. The reversal of 402793343 is 343397204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402793343 is a prime.

It is equal to p_21477167 and since 402793343 and 21477167 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402793543) 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, 201396671 + 201396672.

It is an arithmetic number, because the mean of its divisors is an integer number (201396672).

Almost surely, 2^402793343 is an apocalyptic number.

402793343 is a deficient number, since it is larger than the sum of its proper divisors (1).

402793343 is an equidigital number, since it uses as much as digits as its factorization.

402793343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 402793343 is about 20069.7120806453. The cubic root of 402793343 is about 738.5174499631.

The spelling of 402793343 in words is "four hundred two million, seven hundred ninety-three thousand, three hundred forty-three".