9970278 has 8 divisors (see below), whose sum is σ = 19940568. Its totient is φ = 3323424.

The previous prime is 9970273. The next prime is 9970283. The reversal of 9970278 is 8720799.

It is an interprime number because it is at equal distance from previous prime (9970273) and next prime (9970283).

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

9970278 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9970273) 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, 830851 + ... + 830862.

It is an arithmetic number, because the mean of its divisors is an integer number (2492571).

Almost surely, 2^9970278 is an apocalyptic number.

9970278 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9970278 is a wasteful number, since it uses less digits than its factorization.

9970278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661718.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 9970278 is about 3157.5747022042. The cubic root of 9970278 is about 215.2298101580.

The spelling of 9970278 in words is "nine million, nine hundred seventy thousand, two hundred seventy-eight".