346669056 has 90 divisors (see below), whose sum is σ = 1001883792. Its totient is φ = 115507200.

The previous prime is 346669019. The next prime is 346669091. The reversal of 346669056 is 650966643.

It is a super-2 number, since 2×346669056² = 240358868775862272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146281 + ... + 148631.

Almost surely, 2^346669056 is an apocalyptic number.

346669056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 346669056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (500941896).

346669056 is an abundant number, since it is smaller than the sum of its proper divisors (655214736).

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

346669056 is an equidigital number, since it uses as much as digits as its factorization.

346669056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385 (or 2356 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The square root of 346669056 is about 18619.0508888074. The cubic root of 346669056 is about 702.4871092648.

The spelling of 346669056 in words is "three hundred forty-six million, six hundred sixty-nine thousand, fifty-six".