194946379 has 4 divisors (see below), whose sum is σ = 194979400. Its totient is φ = 194913360.

The previous prime is 194946373. The next prime is 194946407. The reversal of 194946379 is 973649491.

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 194946379 - 2²³ = 186557771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194946373) 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, 4962 + ... + 20359.

It is an arithmetic number, because the mean of its divisors is an integer number (48744850).

Almost surely, 2^194946379 is an apocalyptic number.

194946379 is a deficient number, since it is larger than the sum of its proper divisors (33021).

194946379 is an equidigital number, since it uses as much as digits as its factorization.

194946379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33020.

The product of its digits is 1469664, while the sum is 52.

The square root of 194946379 is about 13962.3199719817. The cubic root of 194946379 is about 579.8358423656.

The spelling of 194946379 in words is "one hundred ninety-four million, nine hundred forty-six thousand, three hundred seventy-nine".