196987415 has 8 divisors (see below), whose sum is σ = 250290000. Its totient is φ = 148319872.

The previous prime is 196987409. The next prime is 196987487. The reversal of 196987415 is 514789691.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196987415 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1158665 + ... + 1158834.

It is an arithmetic number, because the mean of its divisors is an integer number (31286250).

Almost surely, 2^196987415 is an apocalyptic number.

196987415 is a deficient number, since it is larger than the sum of its proper divisors (53302585).

196987415 is a wasteful number, since it uses less digits than its factorization.

196987415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317521.

The product of its digits is 544320, while the sum is 50.

The square root of 196987415 is about 14035.2205183959. The cubic root of 196987415 is about 581.8523960149.

The spelling of 196987415 in words is "one hundred ninety-six million, nine hundred eighty-seven thousand, four hundred fifteen".