346109730 has 64 divisors (see below), whose sum is σ = 871658496. Its totient is φ = 87840000.

The previous prime is 346109713. The next prime is 346109737. The reversal of 346109730 is 37901643.

It is a junction number, because it is equal to n+sod(n) for n = 346109691 and 346109700.

It is not an unprimeable number, because it can be changed into a prime (346109737) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53680 + ... + 59780.

It is an arithmetic number, because the mean of its divisors is an integer number (13619664).

Almost surely, 2^346109730 is an apocalyptic number.

346109730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 346109730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435829248).

346109730 is an abundant number, since it is smaller than the sum of its proper divisors (525548766).

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

346109730 is a wasteful number, since it uses less digits than its factorization.

346109730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6203.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 346109730 is about 18604.0245645935. The cubic root of 346109730 is about 702.1091014756.

The spelling of 346109730 in words is "three hundred forty-six million, one hundred nine thousand, seven hundred thirty".