345378516 has 72 divisors (see below), whose sum is σ = 954058560. Its totient is φ = 95257344.

The previous prime is 345378479. The next prime is 345378529. The reversal of 345378516 is 615873543.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68200 + ... + 73088.

Almost surely, 2^345378516 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 345378516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477029280).

345378516 is an abundant number, since it is smaller than the sum of its proper divisors (608680044).

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

345378516 is a wasteful number, since it uses less digits than its factorization.

345378516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4961 (or 4930 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 345378516 is about 18584.3621359464. The cubic root of 345378516 is about 701.6143123699.

The spelling of 345378516 in words is "three hundred forty-five million, three hundred seventy-eight thousand, five hundred sixteen".