1946879264 has 48 divisors (see below), whose sum is σ = 4191899040. Its totient is φ = 882716160.

The previous prime is 1946879257. The next prime is 1946879269. The reversal of 1946879264 is 4629786491.

It is not an unprimeable number, because it can be changed into a prime (1946879269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137207 + ... + 150729.

It is an arithmetic number, because the mean of its divisors is an integer number (87331230).

Almost surely, 2^1946879264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1946879264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2095949520).

1946879264 is an abundant number, since it is smaller than the sum of its proper divisors (2245019776).

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

1946879264 is a wasteful number, since it uses less digits than its factorization.

1946879264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13953 (or 13945 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 56.

The square root of 1946879264 is about 44123.4548058059. The cubic root of 1946879264 is about 1248.6661535091. Note that the first 3 decimals are identical.

The spelling of 1946879264 in words is "one billion, nine hundred forty-six million, eight hundred seventy-nine thousand, two hundred sixty-four".