1705949340 has 24 divisors (see below), whose sum is σ = 4776658320. Its totient is φ = 454919808.

The previous prime is 1705949321. The next prime is 1705949341. The reversal of 1705949340 is 439495071.

It is a junction number, because it is equal to n+sod(n) for n = 1705949292 and 1705949301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1705949341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14216185 + ... + 14216304.

It is an arithmetic number, because the mean of its divisors is an integer number (199027430).

Almost surely, 2^1705949340 is an apocalyptic number.

1705949340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1705949340 is an abundant number, since it is smaller than the sum of its proper divisors (3070708980).

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

1705949340 is a wasteful number, since it uses less digits than its factorization.

1705949340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28432501 (or 28432499 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 1705949340 is about 41303.1395901086. The cubic root of 1705949340 is about 1194.8738135812.

The spelling of 1705949340 in words is "one billion, seven hundred five million, nine hundred forty-nine thousand, three hundred forty".