344901820 has 24 divisors (see below), whose sum is σ = 725984784. Its totient is φ = 137638656.

The previous prime is 344901811. The next prime is 344901853. The reversal of 344901820 is 28109443.

344901820 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11254 + ... + 28573.

It is an arithmetic number, because the mean of its divisors is an integer number (30249366).

Almost surely, 2^344901820 is an apocalyptic number.

It is an amenable number.

344901820 is an abundant number, since it is smaller than the sum of its proper divisors (381082964).

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

344901820 is a wasteful number, since it uses less digits than its factorization.

344901820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40269 (or 40267 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 344901820 is about 18571.5325161926. The cubic root of 344901820 is about 701.2913712944.

The spelling of 344901820 in words is "three hundred forty-four million, nine hundred one thousand, eight hundred twenty".