345487208 has 64 divisors (see below), whose sum is σ = 735048000. Its totient is φ = 150796800.

The previous prime is 345487199. The next prime is 345487211. The reversal of 345487208 is 802784543.

It is a super-2 number, since 2×345487208² = 238722821783270528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 844508 + ... + 844916.

It is an arithmetic number, because the mean of its divisors is an integer number (11485125).

Almost surely, 2^345487208 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 345487208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367524000).

345487208 is an abundant number, since it is smaller than the sum of its proper divisors (389560792).

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

345487208 is a wasteful number, since it uses less digits than its factorization.

345487208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 345487208 is about 18587.2861924489. The cubic root of 345487208 is about 701.6879049270.

The spelling of 345487208 in words is "three hundred forty-five million, four hundred eighty-seven thousand, two hundred eight".