1964844364 has 12 divisors (see below), whose sum is σ = 3929688784. Its totient is φ = 842076144.

The previous prime is 1964844361. The next prime is 1964844389. The reversal of 1964844364 is 4634484691.

It is a happy number.

1964844364 is an admirable number.

It is a super-2 number, since 2×1964844364² = 7721226749485128992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1964844361) 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, 35086479 + ... + 35086534.

Almost surely, 2^1964844364 is an apocalyptic number.

1964844364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1964844364 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1964844364 is a wasteful number, since it uses less digits than its factorization.

1964844364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70173024 (or 70173022 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 49.

The square root of 1964844364 is about 44326.5649921128. The cubic root of 1964844364 is about 1252.4951470656.

The spelling of 1964844364 in words is "one billion, nine hundred sixty-four million, eight hundred forty-four thousand, three hundred sixty-four".