972403845 has 64 divisors (see below), whose sum is σ = 1835819520. Its totient is φ = 430230528.

The previous prime is 972403841. The next prime is 972403889. The reversal of 972403845 is 548304279.

It is not a de Polignac number, because 972403845 - 2² = 972403841 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 972403797 and 972403806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972403841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 889119 + ... + 890211.

It is an arithmetic number, because the mean of its divisors is an integer number (28684680).

Almost surely, 2^972403845 is an apocalyptic number.

It is an amenable number.

972403845 is a deficient number, since it is larger than the sum of its proper divisors (863415675).

972403845 is a wasteful number, since it uses less digits than its factorization.

972403845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 972403845 is about 31183.3905308579. The cubic root of 972403845 is about 990.7153436166.

The spelling of 972403845 in words is "nine hundred seventy-two million, four hundred three thousand, eight hundred forty-five".