195945408 has 42 divisors (see below), whose sum is σ = 561643784. Its totient is φ = 65314944.

The previous prime is 195945307. The next prime is 195945419. The reversal of 195945408 is 804549591.

195945408 is a `hidden beast` number, since 1 + 9 + 594 + 54 + 0 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169516 + ... + 170667.

Almost surely, 2^195945408 is an apocalyptic number.

195945408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

195945408 is an abundant number, since it is smaller than the sum of its proper divisors (365698376).

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

195945408 is a wasteful number, since it uses less digits than its factorization.

195945408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340201 (or 340188 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 195945408 is about 13998.0501499316. The cubic root of 195945408 is about 580.8246375269.

The spelling of 195945408 in words is "one hundred ninety-five million, nine hundred forty-five thousand, four hundred eight".