1961744 has 10 divisors (see below), whose sum is σ = 3800910. Its totient is φ = 980864.

The previous prime is 1961741. The next prime is 1961747. The reversal of 1961744 is 4471691.

It is an interprime number because it is at equal distance from previous prime (1961741) and next prime (1961747).

It can be written as a sum of positive squares in only one way, i.e., 1488400 + 473344 = 1220^2 + 688^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1961744.

It is not an unprimeable number, because it can be changed into a prime (1961741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61289 + ... + 61320.

It is an arithmetic number, because the mean of its divisors is an integer number (380091).

2^1961744 is an apocalyptic number.

It is an amenable number.

1961744 is a deficient number, since it is larger than the sum of its proper divisors (1839166).

1961744 is a wasteful number, since it uses less digits than its factorization.

1961744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122617 (or 122611 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 1961744 is about 1400.6227186505. The cubic root of 1961744 is about 125.1836021899.

The spelling of 1961744 in words is "one million, nine hundred sixty-one thousand, seven hundred forty-four".