346140463 has 4 divisors (see below), whose sum is σ = 347044608. Its totient is φ = 345236320.

The previous prime is 346140449. The next prime is 346140469. The reversal of 346140463 is 364041643.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364041643 = 7 ⋅52005949.

It is a cyclic number.

It is not a de Polignac number, because 346140463 - 2⁹ = 346139951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346140469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451498 + ... + 452263.

It is an arithmetic number, because the mean of its divisors is an integer number (86761152).

Almost surely, 2^346140463 is an apocalyptic number.

346140463 is a deficient number, since it is larger than the sum of its proper divisors (904145).

346140463 is an equidigital number, since it uses as much as digits as its factorization.

346140463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904144.

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

The square root of 346140463 is about 18604.8505234522. The cubic root of 346140463 is about 702.1298822459.

The spelling of 346140463 in words is "three hundred forty-six million, one hundred forty thousand, four hundred sixty-three".