1942479338 has 8 divisors (see below), whose sum is σ = 2953633188. Its totient is φ = 957934944.

The previous prime is 1942479337. The next prime is 1942479353. The reversal of 1942479338 is 8339742491.

It can be written as a sum of positive squares in 2 ways, for example, as 1810757809 + 131721529 = 42553^2 + 11477^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1942479337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6652181 + ... + 6652472.

Almost surely, 2^1942479338 is an apocalyptic number.

1942479338 is a deficient number, since it is larger than the sum of its proper divisors (1011153850).

1942479338 is a wasteful number, since it uses less digits than its factorization.

1942479338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13304728.

The product of its digits is 1306368, while the sum is 50.

The square root of 1942479338 is about 44073.5673391660. The cubic root of 1942479338 is about 1247.7247866761.

The spelling of 1942479338 in words is "one billion, nine hundred forty-two million, four hundred seventy-nine thousand, three hundred thirty-eight".