1961049 has 16 divisors (see below), whose sum is σ = 2765952. Its totient is φ = 1233408.

The previous prime is 1961039. The next prime is 1961059. The reversal of 1961049 is 9401691.

It is an interprime number because it is at equal distance from previous prime (1961039) and next prime (1961059).

It is not a de Polignac number, because 1961049 - 2⁴ = 1961033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1961039) 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 15 ways as a sum of consecutive naturals, for example, 6547 + ... + 6839.

It is an arithmetic number, because the mean of its divisors is an integer number (172872).

2^1961049 is an apocalyptic number.

It is an amenable number.

1961049 is a deficient number, since it is larger than the sum of its proper divisors (804903).

1961049 is a wasteful number, since it uses less digits than its factorization.

1961049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1961049 is about 1400.3745927430. The cubic root of 1961049 is about 125.1688172366.

The spelling of 1961049 in words is "one million, nine hundred sixty-one thousand, forty-nine".