345981607 has 8 divisors (see below), whose sum is σ = 357969920. Its totient is φ = 334045080.

The previous prime is 345981593. The next prime is 345981631. The reversal of 345981607 is 706189543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345981607 - 2¹⁵ = 345948839 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 (345981667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898 + ... + 26320.

It is an arithmetic number, because the mean of its divisors is an integer number (44746240).

Almost surely, 2^345981607 is an apocalyptic number.

345981607 is a deficient number, since it is larger than the sum of its proper divisors (11988313).

345981607 is a wasteful number, since it uses less digits than its factorization.

345981607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25893.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 345981607 is about 18600.5808242646. The cubic root of 345981607 is about 702.0224551330.

The spelling of 345981607 in words is "three hundred forty-five million, nine hundred eighty-one thousand, six hundred seven".