196858465 has 8 divisors (see below), whose sum is σ = 237103488. Its totient is φ = 156904560.

The previous prime is 196858439. The next prime is 196858471. The reversal of 196858465 is 564858691.

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

It is not a de Polignac number, because 196858465 - 2¹³ = 196850273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71287 + ... + 73996.

It is an arithmetic number, because the mean of its divisors is an integer number (29637936).

Almost surely, 2^196858465 is an apocalyptic number.

It is an amenable number.

196858465 is a deficient number, since it is larger than the sum of its proper divisors (40245023).

196858465 is a wasteful number, since it uses less digits than its factorization.

196858465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145559.

The product of its digits is 2073600, while the sum is 52.

The square root of 196858465 is about 14030.6259660786. The cubic root of 196858465 is about 581.7254061017.

The spelling of 196858465 in words is "one hundred ninety-six million, eight hundred fifty-eight thousand, four hundred sixty-five".