9658958406 has 16 divisors (see below), whose sum is σ = 19394883648. Its totient is φ = 3206825000.

The previous prime is 9658958371. The next prime is 9658958467. The reversal of 9658958406 is 6048598569.

It is a self number, because there is not a number n which added to its sum of digits gives 9658958406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3205320 + ... + 3208331.

It is an arithmetic number, because the mean of its divisors is an integer number (1212180228).

Almost surely, 2^9658958406 is an apocalyptic number.

9658958406 is an abundant number, since it is smaller than the sum of its proper divisors (9735925242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9658958406 is a wasteful number, since it uses less digits than its factorization.

9658958406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6413907.

The product of its (nonzero) digits is 18662400, while the sum is 60.

The square root of 9658958406 is about 98280.0000305250. Note that the first 4 decimals coincide. The cubic root of 9658958406 is about 2129.6591405009.

The spelling of 9658958406 in words is "nine billion, six hundred fifty-eight million, nine hundred fifty-eight thousand, four hundred six".