1955628 has 18 divisors (see below), whose sum is σ = 4943484. Its totient is φ = 651864.

The previous prime is 1955609. The next prime is 1955633. The reversal of 1955628 is 8265591.

It is a happy number.

1955628 is a `hidden beast` number, since 1 + 95 + 562 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 54323 = 1955628 / (1 + 9 + 5 + 5 + 6 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 1955592 and 1955601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27126 + ... + 27197.

It is an arithmetic number, because the mean of its divisors is an integer number (274638).

2^1955628 is an apocalyptic number.

1955628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1955628 is an abundant number, since it is smaller than the sum of its proper divisors (2987856).

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

1955628 is a wasteful number, since it uses less digits than its factorization.

1955628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54333 (or 54328 counting only the distinct ones).

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

The square root of 1955628 is about 1398.4376997207. The cubic root of 1955628 is about 125.0533745394.

The spelling of 1955628 in words is "one million, nine hundred fifty-five thousand, six hundred twenty-eight".