1961528 has 16 divisors (see below), whose sum is σ = 3894480. Its totient is φ = 923008.

The previous prime is 1961527. The next prime is 1961537. The reversal of 1961528 is 8251691.

It is a d-powerful number, because it can be written as 1 + 9² + 6⁵ + 1 + 5⁹ + 2⁵ + 8³ .

It is a junction number, because it is equal to n+sod(n) for n = 1961494 and 1961503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1961527) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7076 + ... + 7347.

It is an arithmetic number, because the mean of its divisors is an integer number (243405).

2^1961528 is an apocalyptic number.

It is an amenable number.

1961528 is a deficient number, since it is larger than the sum of its proper divisors (1932952).

1961528 is a wasteful number, since it uses less digits than its factorization.

1961528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14446 (or 14442 counting only the distinct ones).

The product of its digits is 4320, while the sum is 32.

The square root of 1961528 is about 1400.5456079686. The cubic root of 1961528 is about 125.1790075281.

The spelling of 1961528 in words is "one million, nine hundred sixty-one thousand, five hundred twenty-eight".