344923812 has 144 divisors (see below), whose sum is σ = 975817920. Its totient is φ = 105283584.

The previous prime is 344923793. The next prime is 344923823. The reversal of 344923812 is 218329443.

It is a super-2 number, since 2×344923812² = 237944872169222688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1341988 + ... + 1342244.

Almost surely, 2^344923812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 344923812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487908960).

344923812 is an abundant number, since it is smaller than the sum of its proper divisors (630894108).

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

344923812 is a wasteful number, since it uses less digits than its factorization.

344923812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 322 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 344923812 is about 18572.1245957483. The cubic root of 344923812 is about 701.3062764753.

It can be divided in two parts, 3449 and 23812, that added together give a triangular number (27261 = T₂₃₃).

The spelling of 344923812 in words is "three hundred forty-four million, nine hundred twenty-three thousand, eight hundred twelve".