971403 has 4 divisors (see below), whose sum is σ = 1295208. Its totient is φ = 647600.

The previous prime is 971401. The next prime is 971419. The reversal of 971403 is 304179.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 971403 - 2¹ = 971401 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (971401) 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 3 ways as a sum of consecutive naturals, for example, 161898 + ... + 161903.

It is an arithmetic number, because the mean of its divisors is an integer number (323802).

2⁹⁷¹⁴⁰³ is an apocalyptic number.

971403 is a deficient number, since it is larger than the sum of its proper divisors (323805).

971403 is a wasteful number, since it uses less digits than its factorization.

971403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323804.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 971403 is about 985.5977881469. The cubic root of 971403 is about 99.0375329577.

The spelling of 971403 in words is "nine hundred seventy-one thousand, four hundred three".