982457 has 4 divisors (see below), whose sum is σ = 1122816. Its totient is φ = 842100.

The previous prime is 982453. The next prime is 982489. The reversal of 982457 is 754289.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 982457 - 2² = 982453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (982453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70169 + ... + 70182.

It is an arithmetic number, because the mean of its divisors is an integer number (280704).

2⁹⁸²⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

982457 is a deficient number, since it is larger than the sum of its proper divisors (140359).

982457 is a wasteful number, since it uses less digits than its factorization.

982457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140358.

The product of its digits is 20160, while the sum is 35.

The square root of 982457 is about 991.1896892119. The cubic root of 982457 is about 99.4117800909.

The spelling of 982457 in words is "nine hundred eighty-two thousand, four hundred fifty-seven".