345983842 has 4 divisors (see below), whose sum is σ = 518975766. Its totient is φ = 172991920.

The previous prime is 345983837. The next prime is 345983849. The reversal of 345983842 is 248389543.

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

It can be written as a sum of positive squares in only one way, i.e., 288694081 + 57289761 = 16991^2 + 7569^2 .

It is a junction number, because it is equal to n+sod(n) for n = 345983792 and 345983801.

It is not an unprimeable number, because it can be changed into a prime (345983849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86495959 + ... + 86495962.

Almost surely, 2^345983842 is an apocalyptic number.

345983842 is a deficient number, since it is larger than the sum of its proper divisors (172991924).

345983842 is a wasteful number, since it uses less digits than its factorization.

345983842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172991923.

The product of its digits is 829440, while the sum is 46.

The square root of 345983842 is about 18600.6409029367. The cubic root of 345983842 is about 702.0239667902.

The spelling of 345983842 in words is "three hundred forty-five million, nine hundred eighty-three thousand, eight hundred forty-two".