1982757346 has 4 divisors (see below), whose sum is σ = 2974136022. Its totient is φ = 991378672.

The previous prime is 1982757319. The next prime is 1982757349. The reversal of 1982757346 is 6437572891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6437572891 = 1637 ⋅3932543.

It can be written as a sum of positive squares in only one way, i.e., 1212084225 + 770673121 = 34815^2 + 27761^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1982757293 and 1982757302.

It is not an unprimeable number, because it can be changed into a prime (1982757349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495689335 + ... + 495689338.

Almost surely, 2^1982757346 is an apocalyptic number.

1982757346 is a deficient number, since it is larger than the sum of its proper divisors (991378676).

1982757346 is an equidigital number, since it uses as much as digits as its factorization.

1982757346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991378675.

The product of its digits is 2540160, while the sum is 52.

The square root of 1982757346 is about 44528.1635147914. The cubic root of 1982757346 is about 1256.2898641476.

The spelling of 1982757346 in words is "one billion, nine hundred eighty-two million, seven hundred fifty-seven thousand, three hundred forty-six".