2403781716 has 96 divisors (see below), whose sum is σ = 6570885888. Its totient is φ = 669726720.

The previous prime is 2403781673. The next prime is 2403781729. The reversal of 2403781716 is 6171873042.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 768636 + ... + 771756.

It is an arithmetic number, because the mean of its divisors is an integer number (68446728).

Almost surely, 2^2403781716 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 2403781716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3285442944).

2403781716 is an abundant number, since it is smaller than the sum of its proper divisors (4167104172).

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

2403781716 is a wasteful number, since it uses less digits than its factorization.

2403781716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361 (or 3359 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 2403781716 is about 49028.3766404722. The cubic root of 2403781716 is about 1339.5687548213.

The spelling of 2403781716 in words is "two billion, four hundred three million, seven hundred eighty-one thousand, seven hundred sixteen".