9791970 has 32 divisors (see below), whose sum is σ = 24261120. Its totient is φ = 2526720.

The previous prime is 9791959. The next prime is 9791981. The reversal of 9791970 is 791979.

9791970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9791959) and next prime (9791981).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4335 + ... + 6194.

It is an arithmetic number, because the mean of its divisors is an integer number (758160).

Almost surely, 2^9791970 is an apocalyptic number.

9791970 is an abundant number, since it is smaller than the sum of its proper divisors (14469150).

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

9791970 is a wasteful number, since it uses less digits than its factorization.

9791970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10570.

The product of its (nonzero) digits is 35721, while the sum is 42.

The square root of 9791970 is about 3129.2123609624. The cubic root of 9791970 is about 213.9390311656.

The spelling of 9791970 in words is "nine million, seven hundred ninety-one thousand, nine hundred seventy".