340891530 has 96 divisors (see below), whose sum is σ = 974026944. Its totient is φ = 76091904.

The previous prime is 340891513. The next prime is 340891547. The reversal of 340891530 is 35198043.

It is an interprime number because it is at equal distance from previous prime (340891513) and next prime (340891547).

It is a junction number, because it is equal to n+sod(n) for n = 340891491 and 340891500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60514 + ... + 65906.

It is an arithmetic number, because the mean of its divisors is an integer number (10146114).

Almost surely, 2^340891530 is an apocalyptic number.

340891530 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 340891530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487013472).

340891530 is an abundant number, since it is smaller than the sum of its proper divisors (633135414).

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

340891530 is a wasteful number, since it uses less digits than its factorization.

340891530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5460 (or 5453 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 340891530 is about 18463.2480891093. The cubic root of 340891530 is about 698.5627175711.

The spelling of 340891530 in words is "three hundred forty million, eight hundred ninety-one thousand, five hundred thirty".