345698069 has 4 divisors (see below), whose sum is σ = 345802944. Its totient is φ = 345593196.

The previous prime is 345698063. The next prime is 345698117. The reversal of 345698069 is 960896543.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345698069 is a prime.

It is a super-2 number, since 2×345698069² = 239014309820657522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345698063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47327 + ... + 54140.

It is an arithmetic number, because the mean of its divisors is an integer number (86450736).

Almost surely, 2^345698069 is an apocalyptic number.

It is an amenable number.

345698069 is a deficient number, since it is larger than the sum of its proper divisors (104875).

345698069 is a wasteful number, since it uses less digits than its factorization.

345698069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104874.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The square root of 345698069 is about 18592.9575108426. The cubic root of 345698069 is about 701.8306294804.

The spelling of 345698069 in words is "three hundred forty-five million, six hundred ninety-eight thousand, sixty-nine".