968992405 has 4 divisors (see below), whose sum is σ = 1162790892. Its totient is φ = 775193920.

The previous prime is 968992393. The next prime is 968992411. The reversal of 968992405 is 504299869.

968992405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 504299869 = 2843 ⋅177383.

It can be written as a sum of positive squares in 2 ways, for example, as 176119441 + 792872964 = 13271^2 + 28158^2 .

It is not a de Polignac number, because 968992405 - 2¹⁵ = 968959637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96899236 + ... + 96899245.

It is an arithmetic number, because the mean of its divisors is an integer number (290697723).

Almost surely, 2^968992405 is an apocalyptic number.

It is an amenable number.

968992405 is a deficient number, since it is larger than the sum of its proper divisors (193798487).

968992405 is a wasteful number, since it uses less digits than its factorization.

968992405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193798486.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 968992405 is about 31128.6428390317. The cubic root of 968992405 is about 989.5554256634. Note that the first 3 decimals are identical.

The spelling of 968992405 in words is "nine hundred sixty-eight million, nine hundred ninety-two thousand, four hundred five".