196475438 has 4 divisors (see below), whose sum is σ = 294713160. Its totient is φ = 98237718.

The previous prime is 196475431. The next prime is 196475441. The reversal of 196475438 is 834574691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 834574691 = 191 ⋅4369501.

It is a junction number, because it is equal to n+sod(n) for n = 196475392 and 196475401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196475431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49118858 + ... + 49118861.

It is an arithmetic number, because the mean of its divisors is an integer number (73678290).

Almost surely, 2^196475438 is an apocalyptic number.

196475438 is a deficient number, since it is larger than the sum of its proper divisors (98237722).

196475438 is an equidigital number, since it uses as much as digits as its factorization.

196475438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98237721.

The product of its digits is 725760, while the sum is 47.

The square root of 196475438 is about 14016.9696439708. The cubic root of 196475438 is about 581.3478739413.

The spelling of 196475438 in words is "one hundred ninety-six million, four hundred seventy-five thousand, four hundred thirty-eight".