345889037 has 4 divisors (see below), whose sum is σ = 372495900. Its totient is φ = 319282176.

The previous prime is 345889013. The next prime is 345889043. The reversal of 345889037 is 730988543.

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

It can be written as a sum of positive squares in 2 ways, for example, as 84290761 + 261598276 = 9181^2 + 16174^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345889037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345888982 and 345889000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345889007) 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, 13303412 + ... + 13303437.

It is an arithmetic number, because the mean of its divisors is an integer number (93123975).

Almost surely, 2^345889037 is an apocalyptic number.

It is an amenable number.

345889037 is a deficient number, since it is larger than the sum of its proper divisors (26606863).

345889037 is a wasteful number, since it uses less digits than its factorization.

345889037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26606862.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 345889037 is about 18598.0922946414. The cubic root of 345889037 is about 701.9598390728.

The spelling of 345889037 in words is "three hundred forty-five million, eight hundred eighty-nine thousand, thirty-seven".