344077740 has 96 divisors (see below), whose sum is σ = 1096643520. Its totient is φ = 89510400.

The previous prime is 344077733. The next prime is 344077777. The reversal of 344077740 is 47770443.

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

It is a junction number, because it is equal to n+sod(n) for n = 344077695 and 344077704.

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, 14370 + ... + 29910.

It is an arithmetic number, because the mean of its divisors is an integer number (11423370).

Almost surely, 2^344077740 is an apocalyptic number.

344077740 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 344077740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548321760).

344077740 is an abundant number, since it is smaller than the sum of its proper divisors (752565780).

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

344077740 is a wasteful number, since it uses less digits than its factorization.

344077740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15600 (or 15592 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 36.

The square root of 344077740 is about 18549.3326025493. The cubic root of 344077740 is about 700.7323899168.

The spelling of 344077740 in words is "three hundred forty-four million, seventy-seven thousand, seven hundred forty".