1399482783 has 48 divisors (see below), whose sum is σ = 2159214720. Its totient is φ = 871782912.

The previous prime is 1399482779. The next prime is 1399482793. The reversal of 1399482783 is 3872849931.

1399482783 is a `hidden beast` number, since 1 + 3 + 99 + 482 + 78 + 3 = 666.

It is not a de Polignac number, because 1399482783 - 2² = 1399482779 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399482703) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3022410 + ... + 3022872.

It is an arithmetic number, because the mean of its divisors is an integer number (44983640).

Almost surely, 2^1399482783 is an apocalyptic number.

1399482783 is a deficient number, since it is larger than the sum of its proper divisors (759731937).

1399482783 is a wasteful number, since it uses less digits than its factorization.

1399482783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848 (or 845 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 1399482783 is about 37409.6616263767. The cubic root of 1399482783 is about 1118.5511620322.

The spelling of 1399482783 in words is "one billion, three hundred ninety-nine million, four hundred eighty-two thousand, seven hundred eighty-three".