1961473 has 8 divisors (see below), whose sum is σ = 2044800. Its totient is φ = 1879248.

The previous prime is 1961467. The next prime is 1961483. The reversal of 1961473 is 3741691.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1961473 - 2⁵ = 1961441 is a prime.

It is a Duffinian number.

1961473 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1961413) 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 7 ways as a sum of consecutive naturals, for example, 6790 + ... + 7072.

It is an arithmetic number, because the mean of its divisors is an integer number (255600).

2^1961473 is an apocalyptic number.

It is an amenable number.

1961473 is a deficient number, since it is larger than the sum of its proper divisors (83327).

1961473 is a wasteful number, since it uses less digits than its factorization.

1961473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551.

The product of its digits is 4536, while the sum is 31.

The square root of 1961473 is about 1400.5259726260. The cubic root of 1961473 is about 125.1778375372.

The spelling of 1961473 in words is "one million, nine hundred sixty-one thousand, four hundred seventy-three".