195649384 has 32 divisors (see below), whose sum is σ = 441316800. Its totient is φ = 79436160.

The previous prime is 195649381. The next prime is 195649409. The reversal of 195649384 is 483946591.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (195649381) 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, 90877 + ... + 93004.

It is an arithmetic number, because the mean of its divisors is an integer number (13791150).

Almost surely, 2^195649384 is an apocalyptic number.

195649384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

195649384 is an abundant number, since it is smaller than the sum of its proper divisors (245667416).

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

195649384 is a wasteful number, since it uses less digits than its factorization.

195649384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183913 (or 183909 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The square root of 195649384 is about 13987.4723949683. The cubic root of 195649384 is about 580.5319970206.

The spelling of 195649384 in words is "one hundred ninety-five million, six hundred forty-nine thousand, three hundred eighty-four".