344642130 has 96 divisors (see below), whose sum is σ = 1029600000. Its totient is φ = 78350976.

The previous prime is 344642107. The next prime is 344642153. The reversal of 344642130 is 31246443.

344642130 is a `hidden beast` number, since 3 + 4 + 4 + 642 + 13 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (344642107) and next prime (344642153).

It is a junction number, because it is equal to n+sod(n) for n = 344642094 and 344642103.

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, 123996 + ... + 126744.

It is an arithmetic number, because the mean of its divisors is an integer number (10725000).

Almost surely, 2^344642130 is an apocalyptic number.

344642130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 344642130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514800000).

344642130 is an abundant number, since it is smaller than the sum of its proper divisors (684957870).

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

344642130 is a wasteful number, since it uses less digits than its factorization.

344642130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968 (or 2965 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 344642130 is about 18564.5395849183. The cubic root of 344642130 is about 701.1153172478.

Adding to 344642130 its reverse (31246443), we get a palindrome (375888573).

The spelling of 344642130 in words is "three hundred forty-four million, six hundred forty-two thousand, one hundred thirty".