345429648 has 60 divisors (see below), whose sum is σ = 977621580. Its totient is φ = 113845248.

The previous prime is 345429607. The next prime is 345429653. The reversal of 345429648 is 846924543.

It can be written as a sum of positive squares in 2 ways, for example, as 148644864 + 196784784 = 12192^2 + 14028^2 .

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 11 ways as a sum of consecutive naturals, for example, 661 + ... + 26292.

It is an arithmetic number, because the mean of its divisors is an integer number (16293693).

Almost surely, 2^345429648 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 345429648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488810790).

345429648 is an abundant number, since it is smaller than the sum of its proper divisors (632191932).

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

345429648 is a wasteful number, since it uses less digits than its factorization.

345429648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27056 (or 27047 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 345429648 is about 18585.7377577539. The cubic root of 345429648 is about 701.6489344547.

The spelling of 345429648 in words is "three hundred forty-five million, four hundred twenty-nine thousand, six hundred forty-eight".