1684055004 has 48 divisors (see below), whose sum is σ = 3954817440. Its totient is φ = 557743360.

The previous prime is 1684054997. The next prime is 1684055011. The reversal of 1684055004 is 4005504861.

It is an interprime number because it is at equal distance from previous prime (1684054997) and next prime (1684055011).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1789174 + ... + 1790114.

It is an arithmetic number, because the mean of its divisors is an integer number (82392030).

Almost surely, 2^1684055004 is an apocalyptic number.

It is an amenable number.

1684055004 is an abundant number, since it is smaller than the sum of its proper divisors (2270762436).

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

1684055004 is a wasteful number, since it uses less digits than its factorization.

1684055004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750 (or 1748 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 1684055004 is about 41037.2392346269. The cubic root of 1684055004 is about 1189.7400755186.

Adding to 1684055004 its reverse (4005504861), we get a palindrome (5689559865).

The spelling of 1684055004 in words is "one billion, six hundred eighty-four million, fifty-five thousand, four".