345469860 has 60 divisors (see below), whose sum is σ = 1083756828. Its totient is φ = 92124864.

The previous prime is 345469849. The next prime is 345469877. The reversal of 345469860 is 68964543.

It can be written as a sum of positive squares in 2 ways, for example, as 83612736 + 261857124 = 9144^2 + 16182^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 105007 + ... + 108246.

Almost surely, 2^345469860 is an apocalyptic number.

345469860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345469860 is an abundant number, since it is smaller than the sum of its proper divisors (738286968).

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

345469860 is a wasteful number, since it uses less digits than its factorization.

345469860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213274 (or 213263 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 345469860 is about 18586.8195235226. The cubic root of 345469860 is about 701.6761600778.

The spelling of 345469860 in words is "three hundred forty-five million, four hundred sixty-nine thousand, eight hundred sixty".