345698903 has 4 divisors (see below), whose sum is σ = 377126088. Its totient is φ = 314271720.

The previous prime is 345698867. The next prime is 345698957. The reversal of 345698903 is 309896543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345698903 - 2²⁸ = 77263447 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345698603) 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, 15713576 + ... + 15713597.

It is an arithmetic number, because the mean of its divisors is an integer number (94281522).

Almost surely, 2^345698903 is an apocalyptic number.

345698903 is a deficient number, since it is larger than the sum of its proper divisors (31427185).

345698903 is a wasteful number, since it uses less digits than its factorization.

345698903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31427184.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 345698903 is about 18592.9799386758. The cubic root of 345698903 is about 701.8311938710.

The spelling of 345698903 in words is "three hundred forty-five million, six hundred ninety-eight thousand, nine hundred three".