345843444 has 96 divisors (see below), whose sum is σ = 901393920. Its totient is φ = 102688768.

The previous prime is 345843431. The next prime is 345843469. The reversal of 345843444 is 444348543.

It is a super-2 number, since 2×345843444² = 239215375515562272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312997 + ... + 314099.

It is an arithmetic number, because the mean of its divisors is an integer number (9389520).

Almost surely, 2^345843444 is an apocalyptic number.

345843444 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345843444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450696960).

345843444 is an abundant number, since it is smaller than the sum of its proper divisors (555550476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345843444 is a wasteful number, since it uses less digits than its factorization.

345843444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1207 counting only the distinct ones).

The product of its digits is 368640, while the sum is 39.

The square root of 345843444 is about 18596.8665102484. The cubic root of 345843444 is about 701.9289950180.

The spelling of 345843444 in words is "three hundred forty-five million, eight hundred forty-three thousand, four hundred forty-four".