1780052 has 12 divisors (see below), whose sum is σ = 3144960. Its totient is φ = 881496.

The previous prime is 1780027. The next prime is 1780061. The reversal of 1780052 is 2500871.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1652 + ... + 2507.

It is an arithmetic number, because the mean of its divisors is an integer number (262080).

2^1780052 is an apocalyptic number.

It is an amenable number.

1780052 is a deficient number, since it is larger than the sum of its proper divisors (1364908).

1780052 is a wasteful number, since it uses less digits than its factorization.

1780052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4270 (or 4268 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 1780052 is about 1334.1858940942. The cubic root of 1780052 is about 121.1930075442.

The spelling of 1780052 in words is "one million, seven hundred eighty thousand, fifty-two".