1923049 has 2 divisors, whose sum is σ = 1923050. Its totient is φ = 1923048.

The previous prime is 1923037. The next prime is 1923059. The reversal of 1923049 is 9403291.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1795600 + 127449 = 1340^2 + 357^2 .

It is a cyclic number.

It is not a de Polignac number, because 1923049 - 2⁵ = 1923017 is a prime.

1923049 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1923029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961524 + 961525.

It is an arithmetic number, because the mean of its divisors is an integer number (961525).

2^1923049 is an apocalyptic number.

It is an amenable number.

1923049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1923049 is an equidigital number, since it uses as much as digits as its factorization.

1923049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1923049 is about 1386.7404227180. The cubic root of 1923049 is about 124.3550567756.

The spelling of 1923049 in words is "one million, nine hundred twenty-three thousand, forty-nine".