346406814 has 32 divisors (see below), whose sum is σ = 829009440. Its totient is φ = 106586496.

The previous prime is 346406813. The next prime is 346406831. The reversal of 346406814 is 418604643.

346406814 is a `hidden beast` number, since 3 + 4 + 640 + 6 + 8 + 1 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346406813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246027 + ... + 247430.

It is an arithmetic number, because the mean of its divisors is an integer number (25906545).

Almost surely, 2^346406814 is an apocalyptic number.

346406814 is an abundant number, since it is smaller than the sum of its proper divisors (482602626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

346406814 is a wasteful number, since it uses less digits than its factorization.

346406814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493481 (or 493475 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 346406814 is about 18612.0072533835. The cubic root of 346406814 is about 702.3099296242.

The spelling of 346406814 in words is "three hundred forty-six million, four hundred six thousand, eight hundred fourteen".