1924961 has 4 divisors (see below), whose sum is σ = 2038212. Its totient is φ = 1811712.

The previous prime is 1924957. The next prime is 1924963. The reversal of 1924961 is 1694291.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 616225 + 1308736 = 785^2 + 1144^2 .

It is a cyclic number.

It is not a de Polignac number, because 1924961 - 2² = 1924957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1924963) 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, 56600 + ... + 56633.

It is an arithmetic number, because the mean of its divisors is an integer number (509553).

2^1924961 is an apocalyptic number.

It is an amenable number.

1924961 is a deficient number, since it is larger than the sum of its proper divisors (113251).

1924961 is a wasteful number, since it uses less digits than its factorization.

1924961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113250.

The product of its digits is 3888, while the sum is 32.

The square root of 1924961 is about 1387.4296378556. The cubic root of 1924961 is about 124.3962566465.

The spelling of 1924961 in words is "one million, nine hundred twenty-four thousand, nine hundred sixty-one".