198970415 has 16 divisors (see below), whose sum is σ = 273604608. Its totient is φ = 136071456.

The previous prime is 198970403. The next prime is 198970463. The reversal of 198970415 is 514079891.

It is a cyclic number.

It is not a de Polignac number, because 198970415 - 2⁴ = 198970399 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 15 ways as a sum of consecutive naturals, for example, 5984 + ... + 20826.

It is an arithmetic number, because the mean of its divisors is an integer number (17100288).

Almost surely, 2^198970415 is an apocalyptic number.

198970415 is a deficient number, since it is larger than the sum of its proper divisors (74634193).

198970415 is a wasteful number, since it uses less digits than its factorization.

198970415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15238.

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

The square root of 198970415 is about 14105.6873281666. The cubic root of 198970415 is about 583.7983124380.

The spelling of 198970415 in words is "one hundred ninety-eight million, nine hundred seventy thousand, four hundred fifteen".