345208284 has 24 divisors (see below), whose sum is σ = 894984720. Its totient is φ = 115069392.

The previous prime is 345208229. The next prime is 345208289. The reversal of 345208284 is 482802543.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345208289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1598079 + ... + 1598294.

It is an arithmetic number, because the mean of its divisors is an integer number (37291030).

Almost surely, 2^345208284 is an apocalyptic number.

It is an amenable number.

345208284 is an abundant number, since it is smaller than the sum of its proper divisors (549776436).

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

345208284 is a wasteful number, since it uses less digits than its factorization.

345208284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196386 (or 3196378 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 345208284 is about 18579.7815918272. The cubic root of 345208284 is about 701.4990216281.

The spelling of 345208284 in words is "three hundred forty-five million, two hundred eight thousand, two hundred eighty-four".