1924261 has 2 divisors, whose sum is σ = 1924262. Its totient is φ = 1924260.

The previous prime is 1924243. The next prime is 1924283. The reversal of 1924261 is 1624291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1822500 + 101761 = 1350^2 + 319^2 .

It is a cyclic number.

It is not a de Polignac number, because 1924261 - 2⁹ = 1923749 is a prime.

It is a super-2 number, since 2×1924261² = 7405560792242, which contains 22 as substring.

1924261 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1924231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962130 + 962131.

It is an arithmetic number, because the mean of its divisors is an integer number (962131).

2^1924261 is an apocalyptic number.

It is an amenable number.

1924261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1924261 is an equidigital number, since it uses as much as digits as its factorization.

1924261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 25.

The square root of 1924261 is about 1387.1773498728. The cubic root of 1924261 is about 124.3811761787.

The spelling of 1924261 in words is "one million, nine hundred twenty-four thousand, two hundred sixty-one".