196399546 has 24 divisors (see below), whose sum is σ = 343586880. Its totient is φ = 83952792.

The previous prime is 196399543. The next prime is 196399549. The reversal of 196399546 is 645993691.

It is an interprime number because it is at equal distance from previous prime (196399543) and next prime (196399549).

It is a super-2 number, since 2×196399546² = 77145563338012232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 196399493 and 196399502.

It is not an unprimeable number, because it can be changed into a prime (196399543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38671 + ... + 43453.

It is an arithmetic number, because the mean of its divisors is an integer number (14316120).

Almost surely, 2^196399546 is an apocalyptic number.

196399546 is a deficient number, since it is larger than the sum of its proper divisors (147187334).

196399546 is a wasteful number, since it uses less digits than its factorization.

196399546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5218 (or 5211 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 52.

The square root of 196399546 is about 14014.2622353087. The cubic root of 196399546 is about 581.2730124469.

The spelling of 196399546 in words is "one hundred ninety-six million, three hundred ninety-nine thousand, five hundred forty-six".