9997000494 has 32 divisors (see below), whose sum is σ = 21884995104. Its totient is φ = 3025572480.

The previous prime is 9997000493. The next prime is 9997000523. The reversal of 9997000494 is 4940007999.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9997000493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1045789 + ... + 1055304.

It is an arithmetic number, because the mean of its divisors is an integer number (683906097).

Almost surely, 2^9997000494 is an apocalyptic number.

9997000494 is an abundant number, since it is smaller than the sum of its proper divisors (11887994610).

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

9997000494 is a wasteful number, since it uses less digits than its factorization.

9997000494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101172.

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 9997000494 is about 99985.0013452018. The cubic root of 9997000494 is about 2154.2192604984.

The spelling of 9997000494 in words is "nine billion, nine hundred ninety-seven million, four hundred ninety-four", and thus it is an aban number.