1366403896 has 64 divisors (see below), whose sum is σ = 3055006080. Its totient is φ = 564727680.

The previous prime is 1366403879. The next prime is 1366403897. The reversal of 1366403896 is 6983046631.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366403897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67735 + ... + 85561.

It is an arithmetic number, because the mean of its divisors is an integer number (47734470).

Almost surely, 2^1366403896 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 1366403896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1527503040).

1366403896 is an abundant number, since it is smaller than the sum of its proper divisors (1688602184).

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

1366403896 is a wasteful number, since it uses less digits than its factorization.

1366403896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17924 (or 17920 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 1366403896 is about 36964.9008655508. The cubic root of 1366403896 is about 1109.6679189491.

The spelling of 1366403896 in words is "one billion, three hundred sixty-six million, four hundred three thousand, eight hundred ninety-six".