197049999 has 8 divisors (see below), whose sum is σ = 264054400. Its totient is φ = 130706136.

The previous prime is 197049997. The next prime is 197050001. The reversal of 197049999 is 999940791.

It is an interprime number because it is at equal distance from previous prime (197049997) and next prime (197050001).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 197049999 - 2¹ = 197049997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197049997) 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, 164437 + ... + 165630.

It is an arithmetic number, because the mean of its divisors is an integer number (33006800).

Almost surely, 2^197049999 is an apocalyptic number.

197049999 is a deficient number, since it is larger than the sum of its proper divisors (67004401).

197049999 is a wasteful number, since it uses less digits than its factorization.

197049999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330269.

The product of its (nonzero) digits is 1653372, while the sum is 57.

The square root of 197049999 is about 14037.4498752444. The cubic root of 197049999 is about 581.9140087405.

The spelling of 197049999 in words is "one hundred ninety-seven million, forty-nine thousand, nine hundred ninety-nine".