973991854 has 16 divisors (see below), whose sum is σ = 1648764720. Its totient is φ = 427456960.

The previous prime is 973991849. The next prime is 973991867. The reversal of 973991854 is 458199379.

It is a junction number, because it is equal to n+sod(n) for n = 973991795 and 973991804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762679 + ... + 763954.

It is an arithmetic number, because the mean of its divisors is an integer number (103047795).

Almost surely, 2^973991854 is an apocalyptic number.

973991854 is a deficient number, since it is larger than the sum of its proper divisors (674772866).

973991854 is a wasteful number, since it uses less digits than its factorization.

973991854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526675.

The product of its digits is 2449440, while the sum is 55.

The square root of 973991854 is about 31208.8425610435. The cubic root of 973991854 is about 991.2543546617.

The spelling of 973991854 in words is "nine hundred seventy-three million, nine hundred ninety-one thousand, eight hundred fifty-four".