1654049 has 8 divisors (see below), whose sum is σ = 1765800. Its totient is φ = 1543936.

The previous prime is 1654043. The next prime is 1654057. The reversal of 1654049 is 9404561.

It can be written as a sum of positive squares in 4 ways, for example, as 53824 + 1600225 = 232^2 + 1265^2 .

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 1654049 - 2⁴ = 1654033 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1654043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2207 + ... + 2859.

It is an arithmetic number, because the mean of its divisors is an integer number (220725).

It is the magic constant of a 149 × 149 magic square.

2^1654049 is an apocalyptic number.

It is an amenable number.

1654049 is a deficient number, since it is larger than the sum of its proper divisors (111751).

1654049 is a wasteful number, since it uses less digits than its factorization.

1654049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1654049 is about 1286.0983632678. The cubic root of 1654049 is about 118.2631539614.

The spelling of 1654049 in words is "one million, six hundred fifty-four thousand, forty-nine".