195469458 has 16 divisors (see below), whose sum is σ = 391872576. Its totient is φ = 65000880.

The previous prime is 195469457. The next prime is 195469489. The reversal of 195469458 is 854964591.

It is a self number, because there is not a number n which added to its sum of digits gives 195469458.

It is not an unprimeable number, because it can be changed into a prime (195469457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36166 + ... + 41217.

It is an arithmetic number, because the mean of its divisors is an integer number (24492036).

Almost surely, 2^195469458 is an apocalyptic number.

195469458 is an abundant number, since it is smaller than the sum of its proper divisors (196403118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195469458 is a wasteful number, since it uses less digits than its factorization.

195469458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77809.

The product of its digits is 1555200, while the sum is 51.

The square root of 195469458 is about 13981.0392317596. The cubic root of 195469458 is about 580.3539832802.

The spelling of 195469458 in words is "one hundred ninety-five million, four hundred sixty-nine thousand, four hundred fifty-eight".