5780628 has 108 divisors (see below), whose sum is σ = 17739540. Its totient is φ = 1580544.

The previous prime is 5780627. The next prime is 5780633. The reversal of 5780628 is 8260875.

It can be written as a sum of positive squares in 2 ways, for example, as 1192464 + 4588164 = 1092^2 + 2142^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5780592 and 5780601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5780623) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51100 + ... + 51212.

It is an arithmetic number, because the mean of its divisors is an integer number (164255).

Almost surely, 2^5780628 is an apocalyptic number.

5780628 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5780628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8869770).

5780628 is an abundant number, since it is smaller than the sum of its proper divisors (11958912).

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

5780628 is a wasteful number, since it uses less digits than its factorization.

5780628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 5780628 is about 2404.2936592688. The cubic root of 5780628 is about 179.4699219989.

The spelling of 5780628 in words is "five million, seven hundred eighty thousand, six hundred twenty-eight".