1860049 has 4 divisors (see below), whose sum is σ = 1873764. Its totient is φ = 1846336.

The previous prime is 1860037. The next prime is 1860059. The reversal of 1860049 is 9400681.

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 1517824 + 342225 = 1232^2 + 585^2 .

It is a cyclic number.

It is not a de Polignac number, because 1860049 - 2⁵ = 1860017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1859999 and 1860026.

It is not an unprimeable number, because it can be changed into a prime (1860059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6652 + ... + 6925.

It is an arithmetic number, because the mean of its divisors is an integer number (468441).

2^1860049 is an apocalyptic number.

It is an amenable number.

1860049 is a deficient number, since it is larger than the sum of its proper divisors (13715).

1860049 is a wasteful number, since it uses less digits than its factorization.

1860049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13714.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1860049 is about 1363.8361338519. The cubic root of 1860049 is about 122.9819745767.

The spelling of 1860049 in words is "one million, eight hundred sixty thousand, forty-nine".