1146863408 has 20 divisors (see below), whose sum is σ = 2338998360. Its totient is φ = 543250944.

The previous prime is 1146863387. The next prime is 1146863411. The reversal of 1146863408 is 8043686411.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1885985 + ... + 1886592.

It is an arithmetic number, because the mean of its divisors is an integer number (116949918).

Almost surely, 2^1146863408 is an apocalyptic number.

It is an amenable number.

1146863408 is an abundant number, since it is smaller than the sum of its proper divisors (1192134952).

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

1146863408 is a wasteful number, since it uses less digits than its factorization.

1146863408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3772604 (or 3772598 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 1146863408 is about 33865.3718125167. The cubic root of 1146863408 is about 1046.7361714745.

The spelling of 1146863408 in words is "one billion, one hundred forty-six million, eight hundred sixty-three thousand, four hundred eight".