1083798147 has 18 divisors (see below), whose sum is σ = 1469099532. Its totient is φ = 710709744.

The previous prime is 1083798139. The next prime is 1083798181. The reversal of 1083798147 is 7418973801.

It is not a de Polignac number, because 1083798147 - 2³ = 1083798139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1083798096 and 1083798105.

It is not an unprimeable number, because it can be changed into a prime (1083798047) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4732629 + ... + 4732857.

Almost surely, 2^1083798147 is an apocalyptic number.

1083798147 is a deficient number, since it is larger than the sum of its proper divisors (385301385).

1083798147 is an frugal number, since it uses more digits than its factorization.

1083798147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 48.

The square root of 1083798147 is about 32921.0896994617. The cubic root of 1083798147 is about 1027.1868904651.

Multiplying 1083798147 by its sum of digits (48), we get a square (52022311056 = 228084²).

Multiplying 1083798147 by its product of nonzero digits (338688), we get a square (367069426811136 = 19159056²).

The spelling of 1083798147 in words is "one billion, eighty-three million, seven hundred ninety-eight thousand, one hundred forty-seven".