346416403 has 2 divisors, whose sum is σ = 346416404. Its totient is φ = 346416402.

The previous prime is 346416401. The next prime is 346416437. The reversal of 346416403 is 304614643.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 346416403 - 2¹ = 346416401 is a prime.

Together with 346416401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (346416401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173208201 + 173208202.

It is an arithmetic number, because the mean of its divisors is an integer number (173208202).

Almost surely, 2^346416403 is an apocalyptic number.

346416403 is a deficient number, since it is larger than the sum of its proper divisors (1).

346416403 is an equidigital number, since it uses as much as digits as its factorization.

346416403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 346416403 is about 18612.2648541224. The cubic root of 346416403 is about 702.3164098544.

The spelling of 346416403 in words is "three hundred forty-six million, four hundred sixteen thousand, four hundred three".