1946387344 has 40 divisors (see below), whose sum is σ = 4183705440. Its totient is φ = 869721600.

The previous prime is 1946387327. The next prime is 1946387347. The reversal of 1946387344 is 4437836491.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1946387347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83337 + ... + 104104.

It is an arithmetic number, because the mean of its divisors is an integer number (104592636).

Almost surely, 2^1946387344 is an apocalyptic number.

It is an amenable number.

1946387344 is an abundant number, since it is smaller than the sum of its proper divisors (2237318096).

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

1946387344 is a wasteful number, since it uses less digits than its factorization.

1946387344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187519 (or 187513 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 49.

The square root of 1946387344 is about 44117.8800941296. The cubic root of 1946387344 is about 1248.5609773935.

The spelling of 1946387344 in words is "one billion, nine hundred forty-six million, three hundred eighty-seven thousand, three hundred forty-four".