346123404 has 108 divisors (see below), whose sum is σ = 969208240. Its totient is φ = 104068800.

The previous prime is 346123397. The next prime is 346123409. The reversal of 346123404 is 404321643.

346123404 is a `hidden beast` number, since 3 + 4 + 612 + 3 + 40 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (346123409) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 788217 + ... + 788655.

Almost surely, 2^346123404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 346123404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484604120).

346123404 is an abundant number, since it is smaller than the sum of its proper divisors (623084836).

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

346123404 is a wasteful number, since it uses less digits than its factorization.

346123404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 346123404 is about 18604.3920620911. The cubic root of 346123404 is about 702.1183475928.

The spelling of 346123404 in words is "three hundred forty-six million, one hundred twenty-three thousand, four hundred four".