345398058 has 12 divisors (see below), whose sum is σ = 748362498. Its totient is φ = 115132680.

The previous prime is 345398047. The next prime is 345398077. The reversal of 345398058 is 850893543.

It is a happy number.

345398058 is a `hidden beast` number, since 34 + 539 + 80 + 5 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 249103089 + 96294969 = 15783^2 + 9813^2 .

It is a super-3 number, since 3×345398058³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9594373 + ... + 9594408.

Almost surely, 2^345398058 is an apocalyptic number.

345398058 is an abundant number, since it is smaller than the sum of its proper divisors (402964440).

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

345398058 is a wasteful number, since it uses less digits than its factorization.

345398058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19188789 (or 19188786 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 345398058 is about 18584.8878931243. The cubic root of 345398058 is about 701.6275448937.

The spelling of 345398058 in words is "three hundred forty-five million, three hundred ninety-eight thousand, fifty-eight".