344407380 has 96 divisors (see below), whose sum is σ = 994387968. Its totient is φ = 89011200.

The previous prime is 344407379. The next prime is 344407381. The reversal of 344407380 is 83704443.

It is an interprime number because it is at equal distance from previous prime (344407379) and next prime (344407381).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344407381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 469494 + ... + 470226.

It is an arithmetic number, because the mean of its divisors is an integer number (10358208).

Almost surely, 2^344407380 is an apocalyptic number.

344407380 is a gapful number since it is divisible by the number (30) 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 344407380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497193984).

344407380 is an abundant number, since it is smaller than the sum of its proper divisors (649980588).

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

344407380 is a wasteful number, since it uses less digits than its factorization.

344407380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 344407380 is about 18558.2159702920. The cubic root of 344407380 is about 700.9560948840.

The spelling of 344407380 in words is "three hundred forty-four million, four hundred seven thousand, three hundred eighty".