196402393 has 8 divisors (see below), whose sum is σ = 217455840. Its totient is φ = 175882080.

The previous prime is 196402363. The next prime is 196402433. The reversal of 196402393 is 393204691.

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

It is not a de Polignac number, because 196402393 - 2⁵ = 196402361 is a prime.

It is a super-2 number, since 2×196402393² = 77147799952252898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196402363) by changing a digit.

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, 132508 + ... + 133981.

It is an arithmetic number, because the mean of its divisors is an integer number (27181980).

Almost surely, 2^196402393 is an apocalyptic number.

It is an amenable number.

196402393 is a deficient number, since it is larger than the sum of its proper divisors (21053447).

196402393 is a wasteful number, since it uses less digits than its factorization.

196402393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266567.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 196402393 is about 14014.3638100343. The cubic root of 196402393 is about 581.2758211368.

The spelling of 196402393 in words is "one hundred ninety-six million, four hundred two thousand, three hundred ninety-three".