1780283948 has 12 divisors (see below), whose sum is σ = 3126507720. Its totient is φ = 886996032.

The previous prime is 1780283909. The next prime is 1780283951. The reversal of 1780283948 is 8493820871.

It is a junction number, because it is equal to n+sod(n) for n = 1780283896 and 1780283905.

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, 785213 + ... + 787476.

It is an arithmetic number, because the mean of its divisors is an integer number (260542310).

Almost surely, 2^1780283948 is an apocalyptic number.

It is an amenable number.

1780283948 is a deficient number, since it is larger than the sum of its proper divisors (1346223772).

1780283948 is a wasteful number, since it uses less digits than its factorization.

1780283948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572976 (or 1572974 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 1780283948 is about 42193.4111917963. The cubic root of 1780283948 is about 1211.9827129587.

The spelling of 1780283948 in words is "one billion, seven hundred eighty million, two hundred eighty-three thousand, nine hundred forty-eight".