783480444 has 12 divisors (see below), whose sum is σ = 1828121064. Its totient is φ = 261160144.

The previous prime is 783480437. The next prime is 783480449. The reversal of 783480444 is 444084387.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×783480444² = 1227683212260874272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 783480396 and 783480405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (783480449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32645007 + ... + 32645030.

It is an arithmetic number, because the mean of its divisors is an integer number (152343422).

Almost surely, 2^783480444 is an apocalyptic number.

It is an amenable number.

783480444 is an abundant number, since it is smaller than the sum of its proper divisors (1044640620).

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

783480444 is a wasteful number, since it uses less digits than its factorization.

783480444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65290044 (or 65290042 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 42.

The square root of 783480444 is about 27990.7206766814. The cubic root of 783480444 is about 921.8835246386.

The spelling of 783480444 in words is "seven hundred eighty-three million, four hundred eighty thousand, four hundred forty-four".