345291008 has 18 divisors (see below), whose sum is σ = 689233734. Its totient is φ = 172645376.

The previous prime is 345291007. The next prime is 345291013. The reversal of 345291008 is 800192543.

It can be written as a sum of positive squares in only one way, i.e., 262699264 + 82591744 = 16208^2 + 9088^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (345291007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674141 + ... + 674652.

It is an arithmetic number, because the mean of its divisors is an integer number (38290763).

Almost surely, 2^345291008 is an apocalyptic number.

It is an amenable number.

345291008 is a deficient number, since it is larger than the sum of its proper divisors (343942726).

345291008 is an equidigital number, since it uses as much as digits as its factorization.

345291008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348809 (or 1348795 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 345291008 is about 18582.0076418023. The cubic root of 345291008 is about 701.5550517342. Note that the first 3 decimals are identical.

The spelling of 345291008 in words is "three hundred forty-five million, two hundred ninety-one thousand, eight".