345058397 has 4 divisors (see below), whose sum is σ = 360060960. Its totient is φ = 330055836.

The previous prime is 345058369. The next prime is 345058403. The reversal of 345058397 is 793850543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 793850543 = 23 ⋅34515241.

It is a cyclic number.

It is not a de Polignac number, because 345058397 - 2¹⁸ = 344796253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345058897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7501247 + ... + 7501292.

It is an arithmetic number, because the mean of its divisors is an integer number (90015240).

Almost surely, 2^345058397 is an apocalyptic number.

It is an amenable number.

345058397 is a deficient number, since it is larger than the sum of its proper divisors (15002563).

345058397 is a wasteful number, since it uses less digits than its factorization.

345058397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15002562.

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 345058397 is about 18575.7475488875. The cubic root of 345058397 is about 701.3974782892.

The spelling of 345058397 in words is "three hundred forty-five million, fifty-eight thousand, three hundred ninety-seven".