9962978 has 8 divisors (see below), whose sum is σ = 14977872. Its totient is φ = 4970356.

The previous prime is 9962977. The next prime is 9962983. The reversal of 9962978 is 8792699.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×9962978³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (9962977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4400 + ... + 6267.

It is an arithmetic number, because the mean of its divisors is an integer number (1872234).

Almost surely, 2^9962978 is an apocalyptic number.

9962978 is a deficient number, since it is larger than the sum of its proper divisors (5014894).

9962978 is a wasteful number, since it uses less digits than its factorization.

9962978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11136.

The product of its digits is 489888, while the sum is 50.

The square root of 9962978 is about 3156.4185400545. The cubic root of 9962978 is about 215.1772686198.

The spelling of 9962978 in words is "nine million, nine hundred sixty-two thousand, nine hundred seventy-eight".