1961488 has 20 divisors (see below), whose sum is σ = 3890128. Its totient is φ = 957600.

The previous prime is 1961483. The next prime is 1961489. The reversal of 1961488 is 8841691.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1961483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738 + ... + 2113.

2^1961488 is an apocalyptic number.

It is an amenable number.

1961488 is a deficient number, since it is larger than the sum of its proper divisors (1928640).

1961488 is a wasteful number, since it uses less digits than its factorization.

1961488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902 (or 2896 counting only the distinct ones).

The product of its digits is 13824, while the sum is 37.

The square root of 1961488 is about 1400.5313277467. The cubic root of 1961488 is about 125.1781566278.

The spelling of 1961488 in words is "one million, nine hundred sixty-one thousand, four hundred eighty-eight".