1982347 has 8 divisors (see below), whose sum is σ = 2096640. Its totient is φ = 1870440.

The previous prime is 1982293. The next prime is 1982371. The reversal of 1982347 is 7432891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1982347 - 2⁷ = 1982219 is a prime.

It is a Duffinian number.

1982347 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1982447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1272 + ... + 2362.

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

2^1982347 is an apocalyptic number.

1982347 is a deficient number, since it is larger than the sum of its proper divisors (114293).

1982347 is a wasteful number, since it uses less digits than its factorization.

1982347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193.

The product of its digits is 12096, while the sum is 34.

The square root of 1982347 is about 1407.9584510915. The cubic root of 1982347 is about 125.6203192071.

The spelling of 1982347 in words is "one million, nine hundred eighty-two thousand, three hundred forty-seven".