964863444 has 24 divisors (see below), whose sum is σ = 2251851840. Its totient is φ = 321549184.

The previous prime is 964863433. The next prime is 964863461. The reversal of 964863444 is 444368469.

It is a super-2 number, since 2×964863444² = 1861922931135082272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 964863393 and 964863402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94417 + ... + 104135.

It is an arithmetic number, because the mean of its divisors is an integer number (93827160).

Almost surely, 2^964863444 is an apocalyptic number.

It is an amenable number.

964863444 is an abundant number, since it is smaller than the sum of its proper divisors (1286988396).

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

964863444 is a wasteful number, since it uses less digits than its factorization.

964863444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17999 (or 17997 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 48.

The square root of 964863444 is about 31062.2511096669. The cubic root of 964863444 is about 988.1478972923.

The spelling of 964863444 in words is "nine hundred sixty-four million, eight hundred sixty-three thousand, four hundred forty-four".