196090459 has 4 divisors (see below), whose sum is σ = 196313416. Its totient is φ = 195867504.

The previous prime is 196090457. The next prime is 196090463. The reversal of 196090459 is 954090691.

196090459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196090459 - 2¹ = 196090457 is a prime.

It is a super-2 number, since 2×196090459² = 76902936221661362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196090457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110154 + ... + 111919.

It is an arithmetic number, because the mean of its divisors is an integer number (49078354).

Almost surely, 2^196090459 is an apocalyptic number.

196090459 is a deficient number, since it is larger than the sum of its proper divisors (222957).

196090459 is an equidigital number, since it uses as much as digits as its factorization.

196090459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222956.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 196090459 is about 14003.2303058973. The cubic root of 196090459 is about 580.9679230387.

The spelling of 196090459 in words is "one hundred ninety-six million, ninety thousand, four hundred fifty-nine".