1706420408 has 48 divisors (see below), whose sum is σ = 4019270640. Its totient is φ = 664836480.

The previous prime is 1706420371. The next prime is 1706420413. The reversal of 1706420408 is 8040246071.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 119141 + ... + 132692.

It is an arithmetic number, because the mean of its divisors is an integer number (83734805).

Almost surely, 2^1706420408 is an apocalyptic number.

It is an amenable number.

1706420408 is an abundant number, since it is smaller than the sum of its proper divisors (2312850232).

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

1706420408 is a wasteful number, since it uses less digits than its factorization.

1706420408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251868 (or 251853 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 1706420408 is about 41308.8417654139. The cubic root of 1706420408 is about 1194.9837846110.

Adding to 1706420408 its reverse (8040246071), we get a palindrome (9746666479).

The spelling of 1706420408 in words is "one billion, seven hundred six million, four hundred twenty thousand, four hundred eight".