1997846474 has 16 divisors (see below), whose sum is σ = 3231809280. Its totient is φ = 920791920.

The previous prime is 1997846467. The next prime is 1997846479. The reversal of 1997846474 is 4746487991.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1997846479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34742 + ... + 72129.

It is an arithmetic number, because the mean of its divisors is an integer number (201988080).

Almost surely, 2^1997846474 is an apocalyptic number.

1997846474 is a deficient number, since it is larger than the sum of its proper divisors (1233962806).

1997846474 is a wasteful number, since it uses less digits than its factorization.

1997846474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107605.

The product of its digits is 12192768, while the sum is 59.

The square root of 1997846474 is about 44697.2759125207. The cubic root of 1997846474 is about 1259.4686753661.

The spelling of 1997846474 in words is "one billion, nine hundred ninety-seven million, eight hundred forty-six thousand, four hundred seventy-four".