1712056638 has 16 divisors (see below), whose sum is σ = 3625531920. Its totient is φ = 537115776.

The previous prime is 1712056609. The next prime is 1712056651. The reversal of 1712056638 is 8366502171.

It is a super-2 number, since 2×1712056638² = 5862275863439726088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1712056596 and 1712056605.

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 7 ways as a sum of consecutive naturals, for example, 8392333 + ... + 8392536.

It is an arithmetic number, because the mean of its divisors is an integer number (226595745).

Almost surely, 2^1712056638 is an apocalyptic number.

1712056638 is an abundant number, since it is smaller than the sum of its proper divisors (1913475282).

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

1712056638 is a wasteful number, since it uses less digits than its factorization.

1712056638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16784891.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 1712056638 is about 41377.0061507596. The cubic root of 1712056638 is about 1196.2979980064.

The spelling of 1712056638 in words is "one billion, seven hundred twelve million, fifty-six thousand, six hundred thirty-eight".