197498015 has 24 divisors (see below), whose sum is σ = 280551264. Its totient is φ = 132580800.

The previous prime is 197498003. The next prime is 197498029. The reversal of 197498015 is 510894791.

It is a de Polignac number, because none of the positive numbers 2^k-197498015 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4691 + ... + 20420.

It is an arithmetic number, because the mean of its divisors is an integer number (11689636).

Almost surely, 2^197498015 is an apocalyptic number.

197498015 is a deficient number, since it is larger than the sum of its proper divisors (83053249).

197498015 is a wasteful number, since it uses less digits than its factorization.

197498015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25151 (or 25140 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 197498015 is about 14053.3986992471. The cubic root of 197498015 is about 582.3546912317.

The spelling of 197498015 in words is "one hundred ninety-seven million, four hundred ninety-eight thousand, fifteen".