1655928 has 48 divisors (see below), whose sum is σ = 4547400. Its totient is φ = 544320.

The previous prime is 1655921. The next prime is 1655939. The reversal of 1655928 is 8295561.

It is a happy number.

1655928 is a `hidden beast` number, since 1 + 65 + 592 + 8 = 666.

1655928 is nontrivially palindromic in base 11.

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

It is a junction number, because it is equal to n+sod(n) for n = 1655892 and 1655901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7743 + ... + 7953.

2^1655928 is an apocalyptic number.

1655928 is a gapful number since it is divisible by the number (18) 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 1655928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2273700).

1655928 is an abundant number, since it is smaller than the sum of its proper divisors (2891472).

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

1655928 is a wasteful number, since it uses less digits than its factorization.

1655928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 325 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 1655928 is about 1286.8286599233. The cubic root of 1655928 is about 118.3079193368.

It can be divided in two parts, 165592 and 8, that added together give a triangular number (165600 = T₅₇₅).

The spelling of 1655928 in words is "one million, six hundred fifty-five thousand, nine hundred twenty-eight".