345488784 has 20 divisors (see below), whose sum is σ = 892512816. Its totient is φ = 115162912.

The previous prime is 345488777. The next prime is 345488791. The reversal of 345488784 is 487884543.

It is an interprime number because it is at equal distance from previous prime (345488777) and next prime (345488791).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3598794 + ... + 3598889.

Almost surely, 2^345488784 is an apocalyptic number.

It is an amenable number.

345488784 is an abundant number, since it is smaller than the sum of its proper divisors (547024032).

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

345488784 is a wasteful number, since it uses less digits than its factorization.

345488784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7197694 (or 7197688 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 51.

The square root of 345488784 is about 18587.3285869702. The cubic root of 345488784 is about 701.6889718826.

The spelling of 345488784 in words is "three hundred forty-five million, four hundred eighty-eight thousand, seven hundred eighty-four".