556701684 has 96 divisors (see below), whose sum is σ = 1623745536. Its totient is φ = 144218880.

The previous prime is 556701679. The next prime is 556701701. The reversal of 556701684 is 486107655.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 593664 + ... + 594600.

It is an arithmetic number, because the mean of its divisors is an integer number (16914016).

Almost surely, 2^556701684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556701684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (811872768).

556701684 is an abundant number, since it is smaller than the sum of its proper divisors (1067043852).

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

556701684 is a wasteful number, since it uses less digits than its factorization.

556701684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605 (or 1603 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 556701684 is about 23594.5265686769. The cubic root of 556701684 is about 822.6356222931.

The spelling of 556701684 in words is "five hundred fifty-six million, seven hundred one thousand, six hundred eighty-four".