345461886 has 96 divisors (see below), whose sum is σ = 973859328. Its totient is φ = 85821120.

The previous prime is 345461873. The next prime is 345461887. The reversal of 345461886 is 688164543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345461887) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26460 + ... + 37296.

It is an arithmetic number, because the mean of its divisors is an integer number (10144368).

Almost surely, 2^345461886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345461886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486929664).

345461886 is an abundant number, since it is smaller than the sum of its proper divisors (628397442).

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

345461886 is a wasteful number, since it uses less digits than its factorization.

345461886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10886 (or 10883 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 345461886 is about 18586.6050154406. The cubic root of 345461886 is about 701.6707614315.

The spelling of 345461886 in words is "three hundred forty-five million, four hundred sixty-one thousand, eight hundred eighty-six".