996457 has 8 divisors (see below), whose sum is σ = 1242432. Its totient is φ = 776400.

The previous prime is 996431. The next prime is 996461. The reversal of 996457 is 754699.

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 996457 - 2⁷ = 996329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (996407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6394 + ... + 6547.

It is an arithmetic number, because the mean of its divisors is an integer number (155304).

2⁹⁹⁶⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

996457 is a deficient number, since it is larger than the sum of its proper divisors (245975).

996457 is a wasteful number, since it uses less digits than its factorization.

996457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12959.

The product of its digits is 68040, while the sum is 40.

The square root of 996457 is about 998.2269281080. The cubic root of 996457 is about 99.8817602487.

It can be divided in two parts, 99 and 6457, that added together give a palindrome (6556).

The spelling of 996457 in words is "nine hundred ninety-six thousand, four hundred fifty-seven".