346620612 has 48 divisors (see below), whose sum is σ = 875931840. Its totient is φ = 106048128.

The previous prime is 346620577. The next prime is 346620613. The reversal of 346620612 is 216026643.

It is a self number, because there is not a number n which added to its sum of digits gives 346620612.

It is not an unprimeable number, because it can be changed into a prime (346620613) 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, 21718 + ... + 34130.

It is an arithmetic number, because the mean of its divisors is an integer number (18248580).

Almost surely, 2^346620612 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 346620612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437965920).

346620612 is an abundant number, since it is smaller than the sum of its proper divisors (529311228).

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

346620612 is a wasteful number, since it uses less digits than its factorization.

346620612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12612 (or 12610 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 346620612 is about 18617.7499177532. The cubic root of 346620612 is about 702.4543855760.

The spelling of 346620612 in words is "three hundred forty-six million, six hundred twenty thousand, six hundred twelve".