1946959378 has 32 divisors (see below), whose sum is σ = 3620292480. Its totient is φ = 764674560.

The previous prime is 1946959369. The next prime is 1946959379. The reversal of 1946959378 is 8739596491.

It is not an unprimeable number, because it can be changed into a prime (1946959379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13183 + ... + 63778.

It is an arithmetic number, because the mean of its divisors is an integer number (113134140).

Almost surely, 2^1946959378 is an apocalyptic number.

1946959378 is a deficient number, since it is larger than the sum of its proper divisors (1673333102).

1946959378 is a wasteful number, since it uses less digits than its factorization.

1946959378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77122.

The product of its digits is 14696640, while the sum is 61.

The square root of 1946959378 is about 44124.3626356234. The cubic root of 1946959378 is about 1248.6832807941.

The spelling of 1946959378 in words is "one billion, nine hundred forty-six million, nine hundred fifty-nine thousand, three hundred seventy-eight".