1997103468 has 12 divisors (see below), whose sum is σ = 4659908120. Its totient is φ = 665701152.

The previous prime is 1997103467. The next prime is 1997103491. The reversal of 1997103468 is 8643017991.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1997103463) 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, 83212633 + ... + 83212656.

Almost surely, 2^1997103468 is an apocalyptic number.

It is an amenable number.

1997103468 is an abundant number, since it is smaller than the sum of its proper divisors (2662804652).

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

1997103468 is a wasteful number, since it uses less digits than its factorization.

1997103468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166425296 (or 166425294 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 1997103468 is about 44688.9636040041. The cubic root of 1997103468 is about 1259.3125224240.

The spelling of 1997103468 in words is "one billion, nine hundred ninety-seven million, one hundred three thousand, four hundred sixty-eight".