340957644 has 48 divisors (see below), whose sum is σ = 844956000. Its totient is φ = 106638336.

The previous prime is 340957633. The next prime is 340957649. The reversal of 340957644 is 446759043.

It is a junction number, because it is equal to n+sod(n) for n = 340957596 and 340957605.

It is not an unprimeable number, because it can be changed into a prime (340957649) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 68802 + ... + 73590.

It is an arithmetic number, because the mean of its divisors is an integer number (17603250).

Almost surely, 2^340957644 is an apocalyptic number.

340957644 is a gapful number since it is divisible by the number (34) 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 340957644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422478000).

340957644 is an abundant number, since it is smaller than the sum of its proper divisors (503998356).

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

340957644 is a wasteful number, since it uses less digits than its factorization.

340957644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5162 (or 5160 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 340957644 is about 18465.0384240055. The cubic root of 340957644 is about 698.6078754253.

The spelling of 340957644 in words is "three hundred forty million, nine hundred fifty-seven thousand, six hundred forty-four".