1246904944 has 40 divisors (see below), whose sum is σ = 2548765440. Its totient is φ = 589307328.

The previous prime is 1246904903. The next prime is 1246904947. The reversal of 1246904944 is 4494096421.

It is a self number, because there is not a number n which added to its sum of digits gives 1246904944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1246904947) 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, 137577 + ... + 146359.

It is an arithmetic number, because the mean of its divisors is an integer number (63719136).

Almost surely, 2^1246904944 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 1246904944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1274382720).

1246904944 is an abundant number, since it is smaller than the sum of its proper divisors (1301860496).

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

1246904944 is a wasteful number, since it uses less digits than its factorization.

1246904944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9277 (or 9271 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 1246904944 is about 35311.5412294621. The cubic root of 1246904944 is about 1076.3275307361.

The spelling of 1246904944 in words is "one billion, two hundred forty-six million, nine hundred four thousand, nine hundred forty-four".