346704487 has 4 divisors (see below), whose sum is σ = 355160736. Its totient is φ = 338248240.

The previous prime is 346704433. The next prime is 346704493. The reversal of 346704487 is 784407643.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 346704487 - 2²⁷ = 212486759 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 (346704427) 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, 4228063 + ... + 4228144.

It is an arithmetic number, because the mean of its divisors is an integer number (88790184).

Almost surely, 2^346704487 is an apocalyptic number.

346704487 is a deficient number, since it is larger than the sum of its proper divisors (8456249).

346704487 is an equidigital number, since it uses as much as digits as its factorization.

346704487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8456248.

The product of its (nonzero) digits is 451584, while the sum is 43.

The square root of 346704487 is about 18620.0023361975. The cubic root of 346704487 is about 702.5110408045.

The spelling of 346704487 in words is "three hundred forty-six million, seven hundred four thousand, four hundred eighty-seven".