197992485 has 32 divisors (see below), whose sum is σ = 360581760. Its totient is φ = 103017600.

The previous prime is 197992481. The next prime is 197992493. The reversal of 197992485 is 584299791.

197992485 is a `hidden beast` number, since 1 + 9 + 79 + 92 + 485 = 666.

It is not a de Polignac number, because 197992485 - 2² = 197992481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197992481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12351 + ... + 23420.

It is an arithmetic number, because the mean of its divisors is an integer number (11268180).

Almost surely, 2^197992485 is an apocalyptic number.

197992485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

197992485 is a deficient number, since it is larger than the sum of its proper divisors (162589275).

197992485 is a wasteful number, since it uses less digits than its factorization.

197992485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35826 (or 35820 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The square root of 197992485 is about 14070.9802430392. The cubic root of 197992485 is about 582.8402943257.

The spelling of 197992485 in words is "one hundred ninety-seven million, nine hundred ninety-two thousand, four hundred eighty-five".